Ancient Aliens: Otherworldly Structure Found on Nan Madol (Season 15) | History

Ancient Astronaut Theorists uncover a 54 ton structure on Nan Madol that leads them to more questions, in this clip from Season 15, "The Mystery of Nan Madol." #HISTORY #AncientAliens Find out more about the show and watch full episodes on our site: https://histv.co/AncientAliens Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. Don't miss a video! Subscribe NOW:    / @history   ABOUT THE HISTORY CHANNEL: The HISTORY® Channel, a division of A+E Global Media, is the premier destination for historical storytelling. From best-in-class documentary events, to a signature slate of industry leading nonfiction series and premium fact-based scripted programming, The HISTORY® Channel serves as the most trustworthy source of informational entertainment in media. FOLLOW HISTORY CHANNEL: Watch Full Episodes: https://www.history.com/videos Sign Up For History Emails: https://www.history.com/emails/sign-up Browse Topical Videos: https://www.history.com/topics Facebook:   / history   Instagram:   / history   TikTok:   / history   X:   / history   YouTube:    / @history   Copyright Notice: This video and my YouTube channel contain dialog, music, and images that are property of The HISTORY® Channel. You are authorized to share the video link and channel, and embed this video in your website or others as long as a link back to our YouTube Channel is provided. © 2025 The HISTORY® Channel Ancient Aliens: Otherworldly Structure Found on Nan Madol (Season 15) | History    / @history