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Alien encounter stories, abduction accounts, and extraterrestrial evidence
Mayan Doomsday Prophecies (S4, E2) | Ancient Aliens | Full Episode
The Maya created the most sophisticated calendar systems in the ancient world. In Season 4, Episode 2, "The Doomsday Prophecies." Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule #AncientAliens Subscribe for more full episodes from The H...