Drain the Oceans: Deep Dive - Season 2
1 - Sunken Weapons of War
An underwater look at the weapon that destroyed one of the Civil War's greatest ships, as well as the torpedo technology that changed military warfare.
2 - America's Lost Treasures
Experts explore how the history of America is hidden beneath its harbours, shorelines and street.
3 - Disasters at Sea
The team explores the watery graves of passenger ships and war machines as they investigate what led to such shocking maritime disasters.