Archaeologists discovered remnants of a gigantic pyramid at Indonesia's megalithic site, Gunung Padang, which Ancient Astronaut Theorists believe is evidence of extraterrestrial visitation in this clip from Season 9, "Hidden Pyramids". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://po.st/SubscribeToHistory Find out more about the show and watch full episodes on our site: http://po.st/AncientAliens Check out exclusive HISTORY content: History Newsletter: http://po.st/HistoryNewsletter Website - http://po.st/HistoryWeb Facebook - http://po.st/HistoryFacebook Twitter - http://po.st/HistoryTwitter "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years. HISTORY® is the leading destination for award-winning original series and...
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