Drain the Oceans - Season 2 (2019)

Buried Secrets of the Gold Rush drains the streets of San Francisco, the Sacramento River and the icy wastes of the Klondike in northern Canada to tell the true story of 19th century gold mania. In the race to be first to the gold fields, hundreds of thousands of people from across the world headed west despite the risks.

The land battles of the American Civil War are well known, but it's the war on the seas that shaped the outcome of the war. Maritime archaeologists and historians go in search of Civil War secrets, hidden deep underwater. Scientific data combines with computer graphics to drain the oceans to investigate the lost wrecks of the war.

When the world's two greatest superpowers vie for supremacy, they spur extraordinary advances in military technology. For nearly 50 years the United States and the Soviet Union engage in a monumental arms race known as the Cold War. Groundbreaking CGI allows us to Drain the ocean to reveal shocking evidence of secret nuclear confrontation.

Draining the ocean near Newfoundland reveals a preserved Basque galleon trading in lucrative whale oil. The Spanish empire relies on powerful ships like this to bring back valuable cargo, like silver and tobacco, from the New World. But when emerging rival England wants a share of this wealth, the Spanish attack. Draining an Armada wreck off the coast of Ireland reveals an extraordinary battle for control.

A high-tech expedition searches for the iconic wrecks of the Battle of the Pacific, including the aircraft carrier USS Lexington, and the ship that delivered the Hiroshima bomb, the USS Indianapolis. Funded by Microsoft co-founder Paul Allen, the expedition's discoveries reveal new evidence that helps explain some of the greatest mysteries of World War II at sea

The rescue of 12 boys trapped in the Tham Luang cave in Thailand was the most dangerous cave-diving rescue mission of all time. With unique access, Drain the Oceans conducts the first accurate 3D survey inside the cave. The data, combined with computer graphics, offers the first accurate visualization of how the boys were trapped and how they were saved.

London is one of the most iconic and powerful cities on Earth. But how did London, the center of a vast empire, once the undisputed capital of the English-speaking world, become so dominant? Through a series of astonishing maritime discoveries, Drain the Oceans reveals the secret story of the city's meteoric rise.

Drain the Oceans solves one of the world's great mysteries - the identity of the Loch Ness monster. Using comparisons with the deepest lake on Earth - Lake Baikal in Russian Siberia - combined with military-grade scanning technology and a sonar curtain drawn across its entire surface, the plug is pulled on Scotland's famous loch. As the waters drain away, much more than a monster is revealed.

Hitler's dream is to build an armada of state-of-the-art warships and take on the might of the British Royal Navy. But his plans to dominate the oceans slowly unravel in a series of disastrous battles. Drain the Oceans investigates the mysteries and reveals how the Third Reich's mighty fleet finally sank beneath the waves.

Over the past century, a new breed of ocean giant has emerged. Maritime archaeologists and historians go in search of the biggest wrecks ever sunk beneath the seas. New scientific data combines with cutting-edge computer graphics to drain the oceans to investigate the world's most awe-inspiring wrecks.

We unlock the secrets of how the Japanese empire rose to power in the Pacific and how it harnessed superior technology and turned that devastating firepower against the Allies. We reveal hidden secrets of a catastrophic attack on Australia that gave control of the region to Japan and look at how its extraordinary tactics brought the British empire to its knees.

We unlock the secrets of how the Roman Empire controlled the seas of the ancient world and harnessed the power of volcanoes to defy nature itself. We reveal the extraordinary secrets of one of the oldest shipwrecks in the world and unearth a port lost for centuries under Italian soil.