Extraterrestrial Engineering

From the precisely cut stone blocks at Puma Punku, to the gigantic temples of Malta, and the megalithic city of Nan Madol, could these mysterious sites contain evidence of extraterrestrial contact in the distant past?

Cast Appearances

View full appearance list »

Episode Discussion

No comments yet. Be the first!

Login to leave a comment on this episode.
Try 30 days of free premium.