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.

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

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.

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.

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.

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

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.

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

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.

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

The secrets of lost ancient civilizations come to light when the Mediterranean is drained.

Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found.

The Ring of Fire is an area in the Pacific Ocean where volcanoes, earthquakes and tsunamis form; the ocean is drained to reveal the geological forces behind natural disasters and to uncover threats along the coast of Seattle, Tokyo and New Zealand.

In just 400 years New York has become a global powerhouse. By draining the ocean, revealing submerged shipwrecks and subterranean secrets, we explain how.

Winners took all in the race to get rich in the California and Klondike gold rushes; unearthing the ships involved reveals the risks taken to go west.

Combining over 100 years of data with military-grade scanning equipment, Drain the Oceans pulls the plug on the world’s most famous lake to reveal the monster within.

The story of Hitler’s vision to conquer the world using his high-tech battleships, revealing the rise and fall of the Third Reich’s deadly fleet.

Shipwrecks reveal the true story of piracy on the Caribbean.