Ancient Aliens · S15E01
The Mystery of Nan Madol
2020-01-25 · 42 min · 3.0 (1) · TMDB
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.