New discoveries uncover clues that could reveal the truth behind some of the Bible's greatest mysteries, and experts investigate if this evidence will lead them to the Ark of the Covenant, the Garden of Eden, and the lost city of Babylon.

Alien monoliths haunt the coast of England. An obliterated jungle points to a brutal narco gold rush. Evidence of a strange blood-red creature emerges from the deep on Christmas Island. A terrifying wall of ice avalanches in western Tibet. Cutting-edge technology helps experts answer these sinister mysteries from space.