Pirates, Gangsters, Villains and the worst of humanity, all swallowed up by the sea. But why? Were they ripe for the wrath of God? Or are there deadly natural forces at work? What if you could drain the ocean to reveal the secrets of the seafloor? Now, with powerful new technology, you can do just that. Digital photos and sonar scans give us remarkable new insights into a world beneath the sea. What apocalyptic disaster wiped out the Pirate city of Port Royal? And what are the dangerous forces that make Alcatraz an inescapable fortress? Drained dry, we reveal the extreme geological forces that led to demise of such wickedness.