Cameras catch a strange Unidentified Ariel Vehicle (UAV) flying above the California skies, in this Ancient Aliens clip. 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 Subscribe for more ...

A museum in England is home to an ancient Sumerian text that reveals unbelievable secrets, in this clip from Season 18, "Journey to Immortality." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...

In Kent, England researchers uncover evidence of the Druid people, in this clip from Season 18, "The Shining Ones." Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Strange shadow people terrorize humans, in this clip from “The Proof Is Out There.” Watch all new episodes of Ancient Aliens, Fridays at 8/7c, and next day on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other great The ...

Ancient Astronaut Theorists believe that Prince William might’ve investigated and researched a classified UFO phenomenon, in this clip from Season 18, "The World on Alert." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at ...

The threat of a possible alien invasion grows, in this clip from Season 1, "Doomsday: 10 Ways the World Will End." #CountdowntoArmageddon Subscribe for more HISTORY: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter ...

Check out these extra strange alien encounters that will leave you shocked. See more in this The Proof Is Out There compilation. Watch all new episodes of The Proof Is Out There, returning soon, and stay up to date on all of your favorite The HISTORY Channel shows at ...

A team of remote viewers and sky watchers follow an unexplained object flying in the sky, in this clip from Season 18, "Ancient Aliens On Location: The UFO Investigations." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and next day on The HISTORY Channel website at ...

Ancient astronaut theorists travel to Honduras to check out stone statues that have an otherworldly connection, in this clip from Season 18, "Ancient Aliens On Location: Mysterious Artifacts." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

Check out these 4 mysterious light phenomena, in this The Proof Is Out There compilation. 0:00 - UFO Flash of Light Startles Woman & her Dogs 4:48 - Russian Mystery Animal in Lake Baikal 8:39 - Bright Lights Illuminate New York City 12:57 - Purple Beam of Light Startles Alaskan Photographer ...

Check out these 4 unexplainable phenomena, in this The Proof Is Out There compilation. 0:00 - Freaky Faces in Family Home 4:06 - Weird Bird Formation Caught on Camera 8:32 - Miracle Escape: Woman Survives Near Death Drowning Experience 12:36 - Human Incredibly Creates Electrical Current ...

A massive pyramid located in Teotihucan, Mexico could commemorate the arrival of extraterrestrials, in this clip from Season 18, "Decoding the Dragon Gods." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT ...