Ancient Aliens season 15 episode 1

Air Date: 2020-01-25

Duration: 42 min

Genre: Fantasy   Sci-Fi   Documentary   Mystery

The Mystery of Nan Madol

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.