Within Tibetan Buddhism, one may hold the key to accessing alien realms through deep meditation - once in an enlightened state; interdimensional travel can take place , in this clip from Season 16, "The Lost Kingdom." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to ...

Ancient astronaut theorists wonder if the pyramids of Teotihuacan were once electromagnetic power plants in this clip from Season 12, Episode 7, "City of the Gods". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find out ...

If extraterrestrials are watching over humanity, Ancient Astronaut Theorists suggest the next great global catastrophe could be caused by our heavenly ancestors in this clip from Season 9, "The Great Flood". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More! Ancient Astronaut Theorists claim that extraterrestrials influenced the outcome of the Civil War and made believers out of ...

Stay up to date on all of HISTORY's latest premieres at http://history.com/schedule Ancient Astronaut Theorists suggest there could be a connection between the Hindu concept of the Akashic Record and extraterrestrial communication with mankind, in this digital exclusive from Season 12. ...

Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Within Tibetan Buddhism, one may hold the key to accessing alien realms through deep meditation - once in an enlightened state; ...