Drain the Oceans: Best Of - Episode Guide

Cutting-edge technology is used to explore the secrets of the pirate city of Port Royal in Jamaica that was destroyed by an earthquake, the waters around the notorious island of Alcatraz and villains that were swallowed up by the sea. The secrets of the sea floor expose the shaky ground on which we all live.

A simulation shows what might happen if the section of the Atlantic Ocean known as the Bermuda Triangle were drained.

The most famous shipwreck in the world lies over 12,000 feet down in the icy waters of the Atlantic Ocean. No one has fully recorded the extent of what remains of the Titanic - until now. Advanced new underwater mapping combined with the latest computer graphics techniques is today enabling us to virtually 'drain' the Titanic and reveal spectacular 3D images of this most iconic shipwreck's final resting place while searching for more information about its sinking.

New undersea surveys and 3-D imaging reveal secrets of World War II shipwrecks.

What if we could pull the plug and drain the planet's water? Follow NGC on a virtual scientific expedition to the deep.

CGI drains the Great Lakes, the world's largest system of free fresh water, to reveal hidden secrets of the continent's history and geological past.

Explore a world never seen before - a world hidden under miles of water, the landscape of the Atlantic sea bed focusing on the Bermuda Triangle and the Titanic's wreck.

Science unlocks the secrets of the world's sunken lost cities.

For centuries treasure ships sailed the oceans of the world... packed with silver, gold and precious stones. And where there's treasure, there are treasure hunters.

Under the seas live a lost graveyard of sunken war ships. Countless vessels from WWI and WWII pepper the seafloor. Among those, some of the most powerful weapons ever built.

Mother nature's fury has been the cause of countless wrecks for centuries. What can science reveal about these wrecks lost beneath the waves?

In maritime warfare, saboteurs are a silent and unseen enemy. Direct attacks, advanced weaponry and the element of surprise have sent many ships to their final resting place, on the seafloor.

War, weather, and human error have led to some of the worst maritime disasters in US history. But imagine if we could empty the oceans, letting the water drain away to reveal these secrets of America's sea floor.

The sea floor is the world's biggest tsunami machine, and its dangers have long remained hidden.

Beneath the waters of the world, lies undersea empires and relics of their bloody wars. Through the use of cutting edge technology we will uncover lost empires… for the first time.

December 1945, a squadron of US Navy planes vanishes off Florida's coast and March, 2014 a Boeing 777 with 239 people on board is lost without a trace. Will the lessons learned from air disasters help solve the mysteries behind lost flights?

Alcatraz Island is home to a former maximum security federal prison that had a reputation for being escape-proof; a profile of the prisoners who tried to escape, facing icy waters, deadly currents, disorientating fog, and fearsome predators.