Plots(1)
What is it that makes the rock such an inescapable prison? Prisoners who tried, faced icy waters, deadly currents, disorientating fog and fearsome predators. To understand these dangerous forces, a new investigation will pull a plug on the seafloor, and drain the waters around the Alcatraz Island. (National Geographic)
Gallery (6)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746206_64b74d.jpg)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746207_57c9ca.jpg)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746208_0e3f2c.jpg)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746209_1b3c4b.jpg)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746210_75058c.jpg)
Photo © National Geographic Channel
![Drain The Oceans: Escape Alcatraz - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/163/746/163746211_b49b39.jpg)