Ancient Aliens: Top 3 Unbelievable Alien Artifacts (Season 19)

Could this technology come from an extraterrestrial origin? See more in these clips from Season 19, Episode 12, "The Top Ten Mysterious Devices." 00:00 Temple Mount, Jerusalem 02:41 Aegean Sea 07:21 Mt. Sinai, Egypt Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes on our site: histv.co/AncientAliens Check out exclusive The HISTORY Channel content: History Newsletter - histv.co/newsletter Website - histv.co/History Facebook - histv.co/Facebook Twitter - histv.co/Twitter "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 specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.

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