Drain the Oceans investigates the Clotilda, the last known slave ship to bring captive Africans to the United States in this powerful episode.

By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets. This video is a MEGA 4.5 hours!

Exciting evidence emerges of civilizations lost for centuries under the waves, from mysterious underwater pyramids off the coast of Japan to the fabled city of Atlantis itself. Using cutting-edge graphics to reveal what's actually lying on the seafloor, a...

Using the latest technology and research, a missing ancient wonder and once fabled city of the early Egyptian world are discovered beneath the Nile.