Maritime archaeologists and historians go in search of the crucial component in the Atlantic Slave Trade: the slave ship. An armoured, floating fortress operating for over four centuries, capturing and transporting over 12 million Africans, who were sold and forced to work in brutal conditions in the New World. By draining we reveal the cruel technology on-board, gain an insight into the horrific conditions and ID a wreck in Alabama that could be the last ever slave ship to bring Africans to American soil.

Drowned shipwrecks and lost battlefields reveal secrets of America’s most famous siege and tell how Texas, against all odds, secured its independence.

The discovery of a wreck in the Baltic Sea leads to a treasure hunt, but what they find is even more precious: the story of Germany’s Dunkirk.

Revealing the graveyard of a fleet.

Exciting evidence emerges of civilizations lost under the waves. But are these ancient cities the long sought-after Atlantis or accidents of geology?

Clues from a 13,000-year-old skeleton and a submerged coastline reveal surprising insights about the first humans to arrive in the Americas.

A formidable battleship reveals secrets, 450 years later.

Revealing forgotten stories from the American Revolution.

Uncovered clues from a famous Montana battleground, a 19th-century steamboat and a frontier ghost town reveal surprising truths about the Wild West.

Archaeologists and treasure hunters battle it out over half a billion dollars worth of gold and silver. Who will win the Battle for the Black Swan?

From a buried film set to a WW1 Navy ship and old fishing barge, we discover the role these ruins played in Hollywood movie-making history.

The mysterious sinking of Australia’s “Titanic”, a warship on a dangerous mission, and a ROV expedition searching for clues at the bottom of the reef.

New discoveries made at a lost city and a tale of human sacrifice offer a new insight into the rise and fall of the ancient Maya.

With real-time access to a US border security team, discover the extraordinary story of how Mexican cartels have smuggled cockiness into the US over the last 40 years.

When the world’s two greatest superpowers vie for supremacy, they spur extraordinary advances in military technology.

Uncovered wrecks reveal how Britain defeated the Nazis.

Chicago's past emerges from the waters of Lake Michigan.

The Black Sea is a place of myth and legend and ships have sailed on its waters for millennia. Three wrecks unlock secrets of this mysterious sea.Remnants of colonization attempts, a revolutionary refugee ship and submerged subway cars reveal hurricanes' impacts on America's past and its future.

Draining Hawaii reveals Japan’s secret weapons, from mini subs to fighter planes, with the wreck of USS Arizona serving as a reminder of the forces unleashed.

Thwarting a $20 million time bomb murder and insurance scam.

Draining the Gulf of Mexico brings deadly secrets back to the surface. Stories of piracy, war, slavery and a dinosaur-killing asteroid are revealed.

Spain’s attempted conquest of England fails when its armada is defeated. Draining the ocean reveals how the English stole technology to build an empire.

The dark secrets of U.S. nuclear tests at Bikini Atoll.

The British burning of the White House in 1814.

The hidden secrets of the Nazis are revealed when the oceans covering them are drained using CGI animation.