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An architectural auditing on the brink of collapse.

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The fate of Italy's national treasure depended on one man.

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A master thief who robbed the rich and famous.

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He robbed Bob Hope, Phyllis Diller, even Tarzan himself.

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And a literary giant tied to a baffling scourge.

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Shakespeare inspired an environmental catastrophe in this country.

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Sometimes the greatest secrets lie in plain sight.

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These are the mysteries of the monument.

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Central Park has over 840 acres of meadows and ponds,

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making it one of the most popular destinations in New York City.

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Completed in 1863 as America's first landscaped public space,

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this urban oasis is a breathtaking blend of nature and design.

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But among its man-made treasures, one imposing bronze sculpture stands apart.

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This statue is about 17 feet tall.

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He's holding a book and he's deep in thought.

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And it depicts a rather dignified Elizabethan figure.

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This is a statue of William Shakespeare.

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It was donated in 1872 by the Shakespeare Tri-Sentennial Committee

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to honor the legendary playwright.

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But according to writer Steve Mersky,

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Shakespeare left an unexpected legacy of his own

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that reaches far beyond his body of work.

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Shakespeare has inspired what some people consider to be an environmental catastrophe in this country.

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October 4th, 1960, Boston, Massachusetts.

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On this clear fall evening, emergency crews respond to a devastating scene north of Logan Airport.

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Eastern Airlines Flight 375 has just plunged into Boston Harbor.

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Tragically, of the 72 people on board, only 10 survive.

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In the aftermath, investigators try to uncover the cause of the disaster.

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Little do they know that it has its roots in the previous century.

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The tale begins in 1890, New York.

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An eccentric man named Eugene Sheffelin belongs to a group of amateur naturalists

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called the American Aclimatization Society.

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But that's not Sheffelin's only passion.

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He was a big fan of theater and of a particular writer

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who mentioned birds a lot in his writings, Shakespeare.

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So to honor his literary hero, Sheffelin proposes an ambitious scheme to his fellow naturalists.

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He thought it would be nifty if we could bring over to this country

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every bird mentioned in all the writings of Shakespeare.

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Thrilled by the novel plan, the group begins to import birds from Europe.

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Most of the feathered newcomers fail to thrive when released into the alien city.

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But there's one species whose arrival will have ramifications that nobody could predict.

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As Sheffelin works his way through Shakespeare's plays,

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he arrives at one of the playwright's most celebrated dramas, Henry IV, Part 1.

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There's one line in which a character cites starlings, and that was enough for Sheffelin.

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We gotta get us some starlings here, too.

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The hopeful members release 60 starlings in Central Park,

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and the birds thrive in their adoptive home.

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These birds loved New York.

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They started to reproduce and expand their territory.

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Over time, starlings spread beyond the borders of New York

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and soon come to blanket the continent, from the East Coast to the West,

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and from Canada to Mexico.

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But as their population increases, many begin to regard the creatures as tremendous pests.

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Starlings are bossy little birds. They're pretty aggressive.

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They will roost in the millions and even flock in a group of a million or a million and a half.

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They were thought to be responsible for the demise of other species in the United States, like the Sapsucker.

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But the damage doesn't end there.

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With the rise of air travel, these winged pests begin interfering with airplanes.

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After Eastern Airlines Flight 375 goes down in Boston Harbor in October 1960,

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investigators trace the cause of the crash to a massive flock of starlings.

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It seems that seconds after takeoff, the jet had collided with thousands of birds and sucked them into its engines.

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The flock interfered with a turboprop causing the crash of the airplane.

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It is the deadliest bird strike in aviation history.

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I'm sure Sheffelin thought he was doing a lovely thing for the city by bringing these birds over.

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But the Climateization Society and Sheffelin were not scientists.

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They didn't know what they were doing from an environmental point of view.

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Today, starlings still thrive in Central Park, where this statue of William Shakespeare endures

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as a testament to the way in which the Bard has inspired lovers of the written word and admirers of the winged bird.

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In the heart of Italy is the picturesque region of Tuscany.

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With its lush vineyards and chatting piazzas and Romanesque gems,

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the area brings in nearly 47 million visitors each year.

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But perhaps the most popular attraction here is a stunning example of medieval engineering gone wrong.

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It's 180 feet tall. It tilts almost 15 feet toward the south.

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And it has six levels of colonnades that have small arched openings.

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It's almost wedding cake-like in its quality.

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This is the Leaning Tower of Pisa, an ancient bell tower that has stood for eight centuries.

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But according to engineer Kathleen Dunn, this architectural oddity was once on the brink of total collapse.

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The fate of Italy's national treasure depended on one man.

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1995, Tuscany, Italy.

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For centuries, the Leaning Tower of Pisa has been drawing in crowds with its unique slant.

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The crooked structure was built on unstable ground.

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And since its creation, the incline has been increasing each year.

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But now the situation has reached a tipping point.

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Engineers fear the Leaning Tower of Pisa might fall down.

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The problem was accelerating.

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The prime minister was very worried and had to close the tower to tourists.

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The task of preventing this disaster falls to a special 14-member committee

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led by a prominent British professor named John Burland.

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John Burland is the quintessential engineer.

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He's not afraid to take on any problem.

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No matter what obstacles are put in place, he goes right to figuring out the solution.

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The mission will put Burland's sterling reputation to the test.

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If he succeeds, then he's known as the man who saves the Leaning Tower of Pisa.

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His team consists of engineers, architects, and art historians.

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With such a diverse group, tensions are high from the start.

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There's an enormous debate about how to stabilize the tower.

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Professor Burland finds that the other members of the committee have different backgrounds,

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different interests, and different ideas of what it means to save the Leaning Tower of Pisa.

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And the longer the tower remains closed, the more the community suffers.

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With tourism already down by 45%, the pressure to solve the problem is huge.

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The whole idea that the Leaning Tower is no longer this destination is just devastating.

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Then, later that year, the team finally comes up with a plan to save the tower.

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Attach 10 underground steel anchors to its base.

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They install 10 drilled anchors on the north side of the tower to stop it from leaning further to the south.

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But little do Burland and his colleagues know they are making a devastating mistake.

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On September 7th, 1995, disaster strikes.

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Overnight, the tower lurches southward by a sixteenth of an inch.

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Sixteenth of an inch doesn't sound very dramatic, but it was more than it had moved in the entire year before.

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It was very bad news indeed.

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Burland realizes that by installing the anchors, they created a series of dangerous voids underground.

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The tower settled into one of the voids and that's what created the lurch.

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With the pride of Pisa at greater risk than ever before, the public is enraged.

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When the team is driven into Pisa to look at the damage, the locals are so infuriated they pelt the cars with tomatoes.

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Unless Burland comes up with another solution, the World Heritage Site will topple over.

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This would be a devastating loss not just for the country, but for the entire world.

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It's 1995 in Italy.

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When the Leaning Tower of Pisa is reported to be near collapse, British engineer John Burland and a team of experts undertake the challenge to try and save it.

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But their recent solution has just plunged the tower into more jeopardy than ever before.

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So can Burland and his team save one of Italy's most cherished landmarks?

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After weeks of agonizing, Burland proposes a radical solution.

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Remove soil from under the tower.

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The committee is stunned.

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Some members argue that extracting so much earth will only increase the tower's tilt and cause it to tumble.

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This solution was counter-intuitive.

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All the previous solutions pretty much were based on the idea of bringing the south side up.

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But Burland predicts that lowering the north side will cause the tower to level off at the base.

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This was a revolutionary idea.

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Yet with no other option, the team agrees to give Burland's audacious plan a try.

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And in 1999, they put his idea to the test.

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It took two years of extractions.

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It took 70 tons of soil.

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This was a monumental task.

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But in the end, it was a resounding success.

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The tower is returned to a stable position, but one that still preserves its signature lean.

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And in June of 2001, the committee proclaims the beloved monument is safe for at least another 200 years.

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I think Professor Burland was delighted with the whole operation.

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He was the man who managed to save the Leaning Tower of Pisa.

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And today, this miraculous structure still stands askew as a testament to one man's ingenuity and dedication.

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And to the lengths people will go to save a national treasure.

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Portsmouth, New Hampshire.

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The proud tradition of shipbuilding in this coastal city dates back to colonial days.

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Today, the town is still home to one of just four military shipyards in the nation.

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And here at the Portsmouth Navy Yard stands an example of the area's finest work.

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It is gray. It is about 15 feet tall, 45 feet long.

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Made of steel and there are little tiny paintings along the side.

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This is the USS Squaless Memorial.

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It was constructed from the tower of a World War II submarine that patrolled the Pacific.

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But as historian J. Dennis Robinson can attest, the vessel's most perilous voyage occurred much closer to home.

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Because of this event, suddenly 59 lives were hanging in the balance.

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What happened was the Navy's worst nightmare.

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May 1939.

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With World War II looming, President Franklin Roosevelt is building up America's arsenal.

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Among the country's most potent weapons are a new line of state-of-the-art submarines housed at the Portsmouth Navy Yard, including the just completed USS Squaless.

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So these new submarines, they were bigger, they were faster.

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They could dive deeper, they could stay under longer.

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Before the Squaless can be deployed, it must undergo a series of trial dives that simulate actual combat scenarios.

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And on May 23rd, the 59-man crew is preparing for the vessel's final and most dangerous test.

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An emergency battle descent known as the Crash Dive.

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So the critical test simulates an enemy attack.

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The Squaless has to hit its top speed and dive to about 50 feet.

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And it has to do this in 60 seconds.

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The steep dive will place a massive strain on the vessel's mechanics.

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As the sub begins its plunge, everything seems to go according to plan.

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They go under and everything is perfect.

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The Squaless quickly descends to 50 feet.

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But as the craft starts to level off, the sailors in the control room receive alarming news from the stern.

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Call comes in from the engine room.

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It is flooding.

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The crew rushes to seal off the flooded stern from the rest of the vessel.

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But it's no use.

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As the back half of the sub fills with water, the power cuts out.

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The Squaless sinks to the ocean floor.

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They're resting on the bottom of the ocean.

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They're trapped 240 feet below the surface.

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In the vessel's front compartments are 33 men who are still alive.

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The other 26 in the back are presumed dead.

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The stranded survivors release a three-foot-toll distress buoy.

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There's sole hope for a rescue.

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Tethered to the sub by a cable, the beacon floats to the surface.

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On it is a sign saying, Submarine sunk here.

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But until a passing ship spots the buoy, the crew will literally be holding their breath.

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With each exhalation, the men are adding toxic carbon dioxide to their limited air supply.

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They have maybe two days of oxygen and the clock was ticking.

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May 23, 1939, 10 miles off the coast of New Hampshire,

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a disaster aboard the submarine has left 26 men presumed dead

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and 33 more stranded in the depths of the Atlantic Ocean.

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With oxygen running low, the crew is growing desperate.

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So will they somehow survive this underwater nightmare?

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When the squalus fails to report back to base,

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the Navy dispatches a search party to find the missing sub.

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Just before 1 p.m., five hours after the vessel disappeared,

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the group spots the distress buoy.

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But the rescue team now faces a bigger problem.

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No Submariner has ever been saved from a sunken submarine below 20 feet.

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To lead the rescue, the Navy calls in Lieutenant Commander Charles Momsen,

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the head of its experimental deep-sea diving program.

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Charles Momsen had been for years developing ways to escape from submerged submarines.

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Momsen presents a bold plan centered around a large steel diving bell of his own design.

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The diving bell is a hollowed-out tank that could be lowered down theoretically,

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attached to the squalus, and the men could escape through a hatch into the bell and up to the surface.

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But it's never been done.

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The untested procedure is extremely risky.

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If the seal between the submarine and the chamber isn't airtight,

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both vessels could instantly flood.

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Yet with few options, the Navy is ready to give it a try.

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Just before noon, Momsen watches as the chamber,

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manned by two of his best divers, disappears under the water.

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No one knows what's going to happen when they reach the squalus.

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It has been underwater for a day.

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But then, an hour later, the diving bell emerges.

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Suddenly, the diving bell breaks the surface,

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out comes the first survivors of the squalus.

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A huge tear arose.

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Over the next several hours, the bell makes three more trips to retrieve the other sailors.

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All 33 survivors are brought back from the brink of death.

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The moment marks the first rescue of a submerged submarine in history.

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Momsen, of course, is over the moon.

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This is unprecedented.

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The American public who had been following this hailed this as one of the greatest events in the 20th century.

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In the months following the disaster, the squalus is salvaged, repaired, and renamed the USS Sailfish.

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The refurbished vessel returns to sea during World War II.

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After the submarine is decommissioned in 1946, its conning tower is brought back to the Portsmouth Navy Yard,

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an apt memorial for this tale of tragedy and triumph at sea.

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Las Vegas, Nevada.

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With over 75 casinos, it's no wonder that the city's gaming industry generates over $6 billion a year.

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And on the southern tip of the famed Vegas Strip stands a monument that embodies the town's allure.

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It's about 25 feet tall, about 20 feet wide, made out of metal and plastic.

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It has lights around the edges that are solar powered.

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On the front it reads, welcome to fabulous Las Vegas.

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This iconic sign greets thousands of hopeful guests to the gambling capital of the world every day.

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But according to retired gaming agent James Floyd Edwards, there's one visitor who, in his quest for fortune, cheated his way to riches.

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This man was behind one of the longest running scams and schemes in the history of Las Vegas.

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1990, Las Vegas.

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40-year-old Oklahoma native Tommy Carmichael has moved to Sin City to chase a lucrative new profession.

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Tommy Carmichael was the television repair man. His business was struggling, so he decided to take up a career in slot machine cheating.

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The one-time TV shop owner knows that gaming the system won't be easy.

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The newest slot machines are designed to thwart fake coins and other known cheating devices.

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But Carmichael has a unique talent.

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Because of his background as a television repair man, Tommy was a good tinkerer.

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He understood mechanics, so he decided to create a device that would cheat the new version of a slot machine.

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He begins by purchasing one of the latest slot machines and carefully taking it apart.

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Only by understanding its complex inner workings can he develop a tool sophisticated enough to dupe the machine.

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It's a difficult task, but I don't think Tommy Carmichael is the kind of guy that would just give up. He wanted to beat the house.

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The cunning technician finally identifies a weak spot, the counter that tracks the number of coins being paid out.

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He realizes that by triggering a switch, he can trick the counter into spewing out a mountain of money.

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Day after day Carmichael perfects the gadget he dubs, the monkey paw, the small tool capable of snaking through the machine to hoodwink the payout switch.

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The monkey paw is fabricated out of ring steel. At one end it has a V-shaped notch along the edge.

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There's some piano wire that allows for the bending of the tip as it's inserted into the machine.

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It's that type of attention to work in detail. The device that Tommy created, so remarkable.

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Finally, after months of practice Carmichael is ready to put his gadget to the test in a casino.

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It was very important that Tommy avoided detection. When he visited the casino, he looked for where the cameras were located and where the exits were.

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Trying to be inconspicuous, he takes a seat at a slot machine and inserts the monkey paw into the coin chute.

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In order for Tommy to use this device, he would have had to be subtle, quick and proficient.

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Maneuvering the wire, he finally locates the switch that disables the counter.

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He then trips the toggle and hits the jackpot.

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Tommy was elated and was quite the rush.

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Over the next few years Carmichael continues to beat the house, making up to $1,000 an hour.

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He was making very good money, enough to support a fairly extravagant lifestyle.

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Fancy cars, eating well, drinking, just partying up nicely.

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Yet in spite of his lavish lifestyle, Carmichael isn't satisfied. He wants more.

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And he soon sees an opportunity to achieve his goal.

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By selling his invention to other slot machine cheats for up to $10,000 a piece.

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By 1999, Carmichael's devices are rinsing casinos of millions of dollars a year.

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Everything was going his way.

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But how long can this master cheater's lucky streak last?

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It's 1999, Las Vegas. TV repairman Tommy Carmichael has invented a device to scan casino slot machines.

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And now he's struck it rich, selling the device to others.

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But in a game of high stakes, how long can Carmichael stay on top?

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Authorities suspect the city's casinos are being built out of millions of dollars in cash.

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But who is stealing the money and how they are doing it remains a mystery.

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Then one day police get their break.

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A gambler is caught using a strange device to trip slot machines and is promptly arrested.

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After interrogating the suspect, investigators believe that Tommy Carmichael supplied him with a gadget.

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Carmichael's phones are tapped and it's not long before they reveal something incriminating.

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Tommy Carmichael was heard making deals with other slot sheets.

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On April 19, 1999, police arrest Carmichael en route to Atlantic City.

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He pleads guilty to running an illegal gambling enterprise and spends almost a year behind bars.

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He had taken a greater risk by selling these devices.

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I think what led to his downfall was greed.

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But it seems even the greediest of crooks can be redeemed.

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After serving his sentence, Carmichael goes straight.

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Teaming up with slot machine manufacturers, he uses his talents to invent an anti-cheating device he names the Protector.

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And this iconic sign in Las Vegas, now listed on the National Register of Historic Places, continues to attract those who go to cunning lengths to have it all.

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Straddling Germany's Spray River is the nation's capital, Berlin.

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Founded in the 13th century, this cosmopolitan city is home to architectural gems, like the Berlin Cathedral, the Bellevue Palace and Brandenburg Gate.

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But on the southern side of town is a landmark that is often overlooked.

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You can see children playing green grass, trees.

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But if you're standing in the middle of it, there's concrete and all across it you can see markings that showed its original purpose.

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Once an international airport, this is Tempelhofer Freyheidpark.

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And as author Andre Czerny explains, it was from this site that one pilot launched a mission that helped change the fate of Berlin.

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Because of one man's acts of kindness and ingenuity, he transformed the lives of millions of people.

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June 1948, Berlin.

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Since the end of the Second World War, this German city has been carved in two.

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In the West, the US and its allies are trying to establish a democratic state, while the East is controlled by the Soviet Communist regime.

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West Berlin was surrounded on all sides by Soviet territory.

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The people were really living on an island in Eastern Germany.

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Now, in a bid to force West Berliners into accepting his Communist creed, Stalin has blocked all roads leading into the city and cut off the flow of supplies by land.

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In response, the US has instituted an airlift called Operation Vittles, based out of Tempelhofer Airport.

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Operation Vittles was a massive effort, planes landing and taking off every 90 seconds to bring the people of Western Berlin what they needed to survive.

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But America's endeavors are achieving little success.

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Years of war have bred a deep-seated distrust of the US.

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Berliners after the war were a scared and scarred people.

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They had the sense that they were just pawns in a big geopolitical chess game.

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It was really a struggle for the hearts and minds of the people of Western Berlin.

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As the US military wonders what they can do to win over the Berliners, little do they know the solution will come from an unlikely source.

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July 1948.

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27-year-old American pilot Lieutenant Gale Halverson is assigned to Operation Vittles and reports for duty at Tempelhofer Airport.

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Gale Halverson was a veteran of World War II. He was a sunny, happy person of real kindness who really wore his heart on his sleeve.

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One day, while walking through the base, the pilot sees a crowd of local children gathered behind the runway fence.

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The children were dressed in rags. Almost none of them had shoes and they were emaciated.

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Halverson strikes up a conversation with the young West Berliners.

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Hoping to make them smile, he digs into his pockets and pulls out two sticks of gum.

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He ripped them in half and started passing them out to the children. And their eyes lit up.

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Moved by their joyful reaction, Halverson makes a promise to the group.

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He promised them that the next day he would fly overhead and drop down candy from his plane.

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But Halverson's generosity comes with a big risk.

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Altering the airlift's highly regimented operation could result in a court-martial and the end of his career.

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Nonetheless, the kind-hearted pilot proceeds with his covert plan.

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He used handkerchiefs and some twine to fashion tiny candy parachutes.

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The next day, as Halverson's plane passes over the site of the planned drop, he pushes bundles of candy through the flare shoot.

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The children were waving the handkerchiefs, signaling their gratitude for what they had received.

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Delighted by the success of the candy drop, Halverson decides to push on with his secret mission.

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The candy-loving crowd quickly swells into the thousands.

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These children, who had only known America as the country that had occupied them, began to see America in a new light,

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gave them a sense of optimism and a sense of hope, and it changed their lives.

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Yet it seems the aviator's success will be short-lived.

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Just weeks into his spirit-lifting scheme, Halverson is summoned to his colonel's office.

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He thought that his secret had been found out.

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July 1948, West Berlin, Germany.

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American aviator Gail Halverson is trying to lift the spirits of this newly divided city by dropping candy from his airplane.

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But when he's summoned by his commander, the flyer fears his candy-dropping days are over.

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So has Halverson's sweet scheme gone sour?

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As the pilot nervously approaches his commanding officer's desk,

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the colonel points to a headline in the newspaper.

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Halverson's secret operation is now big news.

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But he doesn't get the reprimand he expects.

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Instead, the colonel gives him a surprising order.

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The colonel told him to keep on doing what he was doing.

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Thank you, sir, I will.

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The Americans realized that what Halverson was doing had huge potential to win the hearts and minds of the western half of Berlin.

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And so begins Operation Little Biddles.

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Over the next 10 months, a total of 23 tons of candy are dropped from 25,000 mini-parachutes.

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Operation Little Biddles transformed into something that had a larger meaning.

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It helped America win the trust of the Berliners.

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They began to believe in democracy and freedom.

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Eventually, Stalin realizes his campaign is ineffective.

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In May of 1949, the blockade around West Berlin is lifted.

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As for Halverson, the humble pilot becomes one of the most celebrated heroes of the post-war era, and is dubbed the candy bomber.

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His kindness really did transform the world we live in today.

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And what remains of the runway at Berlin's Tempelhofer Freyheit Park stands as a reminder that even during the sourest of times, a kind heart and determination can help sweeten the world.

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Along the eastern seaboard, stretching from Norfolk, Virginia to the Florida Keys, is a massive maritime maze.

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This man-made passage protects commercial barges and pleasure crafts alike from the hazards of the open sea.

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It's about 1200 miles long. It consists of canals, bays, estuaries. It's an extremely impressive feat of engineering.

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This is the Atlantic Intracoastal Waterway.

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According to author Lee Gruenfeld, these glittering waters were once at the center of a string of daring heists.

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These luxurious properties represented an irresistible lure for a criminal genius.

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1976, Fort Lauderdale, Florida. The city's social elite are renowned for their lavish black-tie charity galas.

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Among those often in attendance is a dashing 35-year-old real estate entrepreneur named Bill Mason.

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Bill is a very good-looking guy. He's also very engaging and very charming. Just a really nice guy that people trusted.

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But the handsome socialite is hiding an ugly secret.

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Bill is arguably the most successful cat burglar in the world.

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During the course of his career, he robbed Bob Hope, Phyllis Diller, even Johnny Weissmiller, Tarzan himself.

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Although his victims are rich and famous, Mason's meticulous ways shield him from suspicion.

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He has a code that he sticks to religiously. No partners. He only trusted himself.

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It's at events like these that the master thief chooses his targets.

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He then carefully stakes out their homes and plans how he'll get in and out unobserved.

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And for Bill Mason, the trickier it is, the better.

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Bill's true addiction was solving puzzles.

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Trying to do things that nobody would believe would be possible and that afterwards they couldn't even figure out

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how he did it.

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But finding and absconding with the jewels is the easy part.

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Bill was always working on several things at a time. You have to understand that it could take four, five, six, seven months to plan a score.

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One day, when Mason is boating on the Atlantic Intracoastal Waterway, an irresistible opportunity presents itself.

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He observes a black-tie event being held on a passing yacht.

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And he saw all those gowns and all that jewelry. He thinks, I've got all these people in one place.

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Maybe I could take down this boat in one great big score.

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Mason learns that each year the city's elite gather on the yacht for a Red Cross Charity Gala.

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If he can rob them all in one stroke at the next gala, it could be the crowning glory of his career and his biggest haul.

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So, over the next several months, he plots out a watertight scheme.

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The plan was to approach quietly by boat, throw grappling hooks up, climb up really quickly.

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And just by brandishing the weapons, people would hand over all this jewelry and the whole thing shouldn't take but five or six minutes.

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Yet the ambitious heist is like nothing Mason has ever attempted.

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He realizes that to pull it off, he must violate his code.

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He can't do this alone. Bill had to have somebody to drive this boat.

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Fate delivers up a convenient accomplice. An acquaintance named Derek Johnson, who mentions he's hard up for cash.

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When Derek said, I need a lot of money really fast, something clicked in Bill's mind.

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Can you drive a boat?

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He said, how'd you like $10,000 to drive a boat for an hour?

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Johnson eagerly agrees to the deal. What Mason doesn't realize is that he's just made a big mistake.

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It's 1976, Fort Lauderdale, Florida. Serial jewel thief Bill Mason is preparing for his most ambitious heist to date.

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But to do so, he must break his cardinal rule to bring in an accomplice.

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And together, they'll stick up a luxury yacht and rob all its wealthy guests.

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Mason meticulously plans the hold up.

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Meanwhile, the Fort Lauderdale police have been scratching their heads over a number of recent burglaries.

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The police were so baffled that they simply couldn't even figure out how these individual scores had been done.

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But suddenly, investigators get a break.

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A petty thief comes forward with a tip about an elusive cat burglar who's planning a big score.

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It's a plot to rob every guest at the next Red Cross charity gala.

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The informant's name is Derek Johnson.

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It seems that Mason slipped up when he broke his rule and hired an accomplice.

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Who he didn't realize had a checkered past.

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Derek Johnson, who he got to drive the boat, turned him in in exchange for him getting off some minor charges that he was facing.

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The cops are skeptical, but they start tailing Bill Mason.

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And sure enough, within weeks, they catch him casing a joint and arrest him.

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But the police only have a weak case, and Derek Johnson's word against Mason.

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But they know that he probably did some other things, and the police sometimes care more about closing cases than they do catching perpetrators.

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So they said, if you tell us some of the other stuff you did, maybe we can work out a deal here.

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Promised with immunity for earlier offenses, Mason eventually confesses to all the other robberies he's pulled, leaving authorities stunned.

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They discover that Bill was behind some of the most high-profile jewelry thefts in all of Southern Florida history.

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After serving less than three years in prison, Mason publishes a book detailing his long career.

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He also declares that his thieving days are over.

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Today, the Atlantic Intracoastal Waterway and Fort Lauderdale's plush hotels and homes remain a playground for the very rich.

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But with this master cat burglar no longer on the prowl, their prized gems are now a little more secure.

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From an underwater rescue to an architectural oddity, a casino cheat to a beachside burglar.

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I'm Don Wildman, and these are the Mysteries at the Monument.