Ireland has a rich tradition of folklore that is spread throughout the world. See more in this scene from Season 1, Episode 13, "Strange Visitors." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at ...

Uncover the secrets of the skulls with us in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more ...

Could the legends of these strange visitors from the stars be more than mere mythology? See more in this scene from Season 1, Episode 13, "Strange Visitors." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel ...

Do alien portals exist? See more in this compilation from Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

Throughout the world, ancient rites and rituals are believed to connect humans to another dimension. But just who--or what--are we communicating with? See more in this scene from Season 3, Episode 5, "Aliens and Mysterious Rituals." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, ...

In the ancient city of Mecca, Muhammad is believed to have been a messenger sent by God himself, and with the help of angels, he was able to travel to other dimensions, in this clip from Season 5, "Strange Abductions." Watch all new episodes of Ancient Aliens, returning Friday, August 6 at 9/8c, ...

Ancient astronaut theorists believe that the ancient Egyptian tombs of early leaders served a more extraterrestrial purpose, and sacred texts hold all of the answers, in this clip from Season 5, "Secrets of the Tombs." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date ...

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! 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 ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists propose that the Earth has played the part of a laboratory for aliens experimenting with creatures in this clip from Season, Episode 12, "The Animal Agenda". #AncientAliens Subscribe for more from ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists claim that mounting evidence suggests reincarnation to be a real possibility in this clip from Season 12, Episode 13, "The Replicants". #AncientAliens Subscribe for more from Ancient Aliens and ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! The KV55 tomb in the Valley of the Kings originally contained a sarcophagus on which was written a curse hoping to keep what was thought to be an evil spirit from reincarnating in this clip from Season 12, Episode 13, "The ...