For centuries treasure ships sailed the world hunted by pirates, battered by storms and reefs. Only now can we begin to explore what remains of them. Under the seas lives a lost graveyard of sunken ...

Explore a world never seen before a world hidden under miles of water, the landscape of the seabed. Join expeditions to dive long-lost vessels, discover ancient sites and follow the scientists who are ...

Maritime mysteries - old and new - come to life in this 10-episode series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, ...

Season 2 of the British documentary Drain the Oceans continues to dive underwater and reveal the stories, treasures, cities, and wonders in the depths of waterbodies around the world using sonar ...