On the legendary Easter Island in the South Pacific, a team of National Geographic explorers and scientists undertakes a groundbreaking expedition: to attempt a first-ever mapping of the vast cave system beneath this enigmatic isle. While doing so they make astonishing new discoveries that will shed light on one of the greatest mysteries in human history: the fall of Easter Island. What caused this civilization to crumble - and what might this knowledge mean for us today?

Originally released by National Geographic, 2009. Streaming video file encoded with permission for digital streaming by Infobase on April 07, 2015.

Easter Island Mysteries (8:45); --A Maze of Hiding Places (7:53); -- Lost Paradise (11:19); -- Famine (6:57); -- The Birdman Event (7:06); -- Land of the Dead (8:12);.