Ancient Aliens History Channel - Search Videos

Massive Cosmic Obelisk Found on Earth (S1, E2) | Ancient Aliens | Full Episode

Massive Cosmic Obelisk Found on Earth (S1, E2) | Ancient Aliens | Full Episode

If ancient aliens visited Earth, what was their legacy, and did they leave behind clues that exist in plain sight such as sophisticated aircraft, complex electrical grids, and intricate construction machinery? In Season 1, Episode 2, "The Evidence." Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history ...

112.3K views1 week ago

Ancient Aliens Debunked

The Truth Behind These Unexplained Phenomena | Ancient Aliens

The Truth Behind These Unexplained Phenomena | Ancient Aliens

187.3K views1 month ago

What Governments Know About Aliens | Ancient Aliens

What Governments Know About Aliens | Ancient Aliens

999.6K views5 months ago

The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens

The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens

75.5K views2 months ago

Top videos

The Most Shocking Alien Encounters Ever | Ancient Aliens

The Most Shocking Alien Encounters Ever | Ancient Aliens

938.7K views1 month ago

Sacred & Inexplicable Places | Ancient Aliens

Sacred & Inexplicable Places | Ancient Aliens

236.3K views2 weeks ago

Earthen Echoes of Alien Technology | Ancient Aliens

Earthen Echoes of Alien Technology | Ancient Aliens

192.7K views1 week ago

Ancient Astronaut Theory

Ancient Astronaut Theory | National Geographic

Ancient Astronaut Theory | National Geographic

YouTubeNational Geographic

749K viewsApr 14, 2010

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

Ancient Aliens: The Shocking Theory Behind the Gods (S1)

17.4K views1 month ago

Were We Really the First Space Travelers? (S1) | Ancient Aliens

Were We Really the First Space Travelers? (S1) | Ancient Aliens

28.1K views1 month ago

The Most Shocking Alien Encounters Ever | Ancient Aliens

The Most Shocking Alien Encounters Ever | Ancient Aliens

938.7K views1 month ago

Sacred & Inexplicable Places | Ancient Aliens

Sacred & Inexplicable Places | Ancient Aliens

236.3K views2 weeks ago

Earthen Echoes of Alien Technology | Ancient Aliens

Earthen Echoes of Alien Technology | Ancient Aliens

192.7K views1 week ago

See the Top 10 Scariest UFO Encounters Ever Recorded | Ancient Aliens (S20, E4) | Full Episode

See the Top 10 Scariest UFO Encounters Ever Recorded | Ancient Aliens (S20, E4) | Full Episode

143.4K views1 week ago

Alien Encounters You Won't Believe | Ancient Aliens | History

Alien Encounters You Won't Believe | Ancient Aliens | History

38.5M viewsDec 15, 2022

Secrets Etched in Time | Ancient Aliens

Secrets Etched in Time | Ancient Aliens

201.4K views2 weeks ago

Mysteries at the Edge of the World *Marathon* | Ancient Aliens

Mysteries at the Edge of the World *Marathon* | Ancient Aliens

104.5K views2 weeks ago

Underground Aliens Emerge Across the Globe (S2, E4) | Ancient Aliens | Full Episode

271.7K views1 month ago

10 Hidden Alien Bases Across the Globe (S3, E20) | Ancient Aliens | Full Episode

83.8K views2 weeks ago

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