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 ...

Would it have been physically possible for the ancient Egyptians to build the pyramids? 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 ...

From alleged alien bases to perplexing anomalies, join us as we probe the secrets hidden within the moon's shadowy landscape in this Ancient Aliens compilation. 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 ...

After 12 years of excavations, archaeologists make a shocking discovery. See more in this scene from Season 2, Episode 11, "Extraterrestrial Pyramids." 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 ...

Prepare to uncover the enigmatic secrets of Area 51 through the lens of Ancient Aliens. Delve into the heart of one of the world's most secretive locations as ancient astronaut theorists decode the mysteries surrounding extraterrestrial encounters, top-secret experiments, and otherworldly ...

Is it possible that shadow people, spirits, poltergeists, and other enigmatic entities are rooted in reality? See more in this scene from Season 2, Episode 12, "Aliens and the Unseen." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...

Governments are openly investigating UFO and extraterrestrial sightings. See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and ...

Ancient Astronaut Theory has existed in popular culture for nearly 50 years, asking the question whether extraterrestrials visited Earth in the remote past. Find out more in Season 1, Episode 10, "The Alien Code." #InSearchOfAliens Subscribe for more HISTORY: ...

Has time travel existed for centuries? See more in this compilation from Ancient Aliens. Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel ...

These cloud formations are looking a little suspicious. See more in this compilation from The Proof Is Out There. 0:00 Cloud Covered UFO 6:12 UFO Cloud 11:29 Angelic Cloud Formations Watch all new episodes of The Proof Is Out There, Fridays at 10/9c, and stay up to date on all of your ...