Sealed vaults possessing a strange and deadly curse, mysterious relics believed to be under otherworldly protection, and riches so priceless, it has cost men their lives. See more in Season 7, Episode 4, "Treasures of the Gods." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and ...

Ancient Astronaut Theorists raise new theories surrounding how solid the moon really is. See more in this clip from "Aliens and Outer Space." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Could extraterrestrials be hiding amongst us in animal form? Check out this scene from Season 1, Episode 2, "Aliens and Strange Creatures." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Construction workers unearth evidence of a long-lost civilization in China. See more in this clip from "Aliens and Lost Civilizations." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens ...

Legends from around the world speak of sacred entryways to the land of the gods. Gates that allowed instant passage not just beyond the confines of Earth, but beyond space and time. See more in Season 7, Episode 1, "Aliens and Stargates." #AncientAliens Watch all new episodes of Ancient ...

The Ark of the Covenant is one of the most sought after religious relics of all times and far more than just a box that contained the Ten Commandments. See more in Season 6, Episode 10, "Aliens and the Lost Ark." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, ...

The U.S. government finally admits to the existence of UFOs. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. Subscribe ...

The US Navy announces new guidelines that bring new UFO sightings to light. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at ...

A study done in March 2018 reveals that octopuses possess extraterrestrial DNA. See more in this clip from "Aliens and Strange Creatures." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at ...

Ronald Regan has a frightening encounter with an unidentified flying object next to his plane. See more in this clip from "Aliens and the United States." #AncientAliens Watch all new episodes of Ancient Aliens, Friday, January 6th, at 9/8c, and next day on The HISTORY Channel website at ...