Playback serverIf a title won’t play, switch servers.
Ancient Aliens
Season 15 · Episode 1
The Mystery of Nan Madol
6.042mJanuary 25, 2020
Giorgio Tsoukalos and David Childress explore the mysterious chain of manmade islets in Micronesia's Nan Madol; built from 250 million tons of volcanic rock, there are local legends that strange visitors floated the massive rocks through the air.