Ancient astronaut theorists ponder the origins of the architects of the ancient Mesoamerican city of Teotihuacan 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 ...

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 ...

As only about 10% of Teotihuacan has been excavated so far, ancient astronaut theorists wonder what surprising discoveries await us in this clip from Season 12, Episode 7, "City of the Gods". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Ancient astronaut theorists ruminate on whether ancient civilizations built their massive structures using alien technology in this scene from Season 12, Episode 8, "The Alien Frequency". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Experts analyze the Vittala Temple's unique pillars, which, when struck, produce amazing soundscapes and scales and question why the temple was built this way in this clip from Season 12, Episode 8, "The Alien Frequency". Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Experts talk about Pythagoras' influence on western music through his revolutionary analytics of the math of sound in this clip from Season 12, Episode 8, "The Alien Frequency". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT ...

Baba Vanga, a blind and uneducated peasant in Bulgaria, was somehow able to predict many world events. Ancient astronaut theorists say invisible extraterrestrials supplied her with information in this clip from Season 12, Episode 10, "The Akashic Record". #AncientAliens Subscribe for more from ...

Ancient astronaut theorists believe that, throughout history, inventions created simultaneously in places far away from one another came to be so because of extraterrestrials introducing information into a universal information field in this clip from Season 12, Episode 10, "The Akashic Record". ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! In Sirpur, India, the Surang Tila Temple was the only building to survive a devastating 11th-century earthquake. Ancient astronaut theorists believe its advanced Ayurvedic architecture was knowledge passed on from aliens in ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Dan Vantari is an ancient Hindu believed to be the father of Ayurvedic medicine. Ancient astronaut theorists ponder whether his advanced knowledge was handed down by aliens in this clip from Season 12, Episode 11, "Voices of ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! An aerospace engineer at UC-Irvine tests an aircraft model that was built using measurements from ancient Hindu texts. Ancient astronaut theorists suggest the texts also contain information on how to build advanced spacecrafts ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe it's possible that certain creatures, such as the Bombardier Beetle, may have been placed on Earth by aliens in this clip from Season12, Episode 12, "The Animal Agenda". #AncientAliens ...