Massive Cosmic Obelisk Found on Earth (S1, E2) | Ancient Aliens | Full Episode
1:28:18
YouTubeHISTORY
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 ...
62.2K views1 day ago
Ancient Aliens: Full Episodes
Secret Pyramids Hide Beneath Earth's Surface | Ancient Aliens: Declassified (S1, E16) | Full Episode
2:45:34
Secret Pyramids Hide Beneath Earth's Surface | Ancient Aliens: Declassified (S1, E16) | Full Episode
YouTubeHISTORY
2.8M viewsOct 26, 2024
Ancient Aliens: Top 3 Otherworldly Deep Ocean Mysteries (S19) | History
14:24
Ancient Aliens: Top 3 Otherworldly Deep Ocean Mysteries (S19) | History
YouTubeHISTORY
486.9K viewsSep 14, 2023
Ancient Aliens: Lost Sci-Fi Tech of Ancient Worlds | History
24:10
Ancient Aliens: Lost Sci-Fi Tech of Ancient Worlds | History
YouTubeHISTORY
1.2M viewsDec 5, 2024
Ancient Aliens Debunked
Military Encounters with the Unknown | Ancient Aliens
43:03
Military Encounters with the Unknown | Ancient Aliens
YouTubeHISTORY
269.3K views2 weeks ago
The Truth Behind These Unexplained Phenomena | Ancient Aliens
20:20
The Truth Behind These Unexplained Phenomena | Ancient Aliens
YouTubeHISTORY
182.4K views1 month ago
What Governments Know About Aliens | Ancient Aliens
39:22
What Governments Know About Aliens | Ancient Aliens
YouTubeHISTORY
994.9K views4 months ago
Top videos
Cosmic Secrets of Monoliths (S9, E13) | Ancient Aliens: The Ultimate Evidence | Full Episode
43:16
Cosmic Secrets of Monoliths (S9, E13) | Ancient Aliens: The Ultimate Evidence | Full Episode
YouTubeHISTORY
46.2K views1 week ago
Earthen Echoes of Alien Technology | Ancient Aliens
39:53
Earthen Echoes of Alien Technology | Ancient Aliens
YouTubeHISTORY
137.9K views2 days ago
Top Ten Scariest UFO Encounters (S20, E4) | Ancient Aliens | Full Episode
41:42
Top Ten Scariest UFO Encounters (S20, E4) | Ancient Aliens | Full Episode
YouTubeHISTORY
132K views5 days ago
Ancient Astronauts: Evidence and Theories
Ancient Astronaut Theory | National Geographic
3:04
Ancient Astronaut Theory | National Geographic
YouTubeNational Geographic
748.8K viewsApr 14, 2010
Ancient Aliens: Evidence of Life in Outer Space | History
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
YouTubeHISTORY
412.8K viewsJul 25, 2024
Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | History
20:41
Ancient Aliens: 5 SHOCKING Mysteries Beneath Polar Ice | History
YouTubeHISTORY
4.3M viewsMar 21, 2024
Cosmic Secrets of Monoliths (S9, E13) | Ancient Aliens: The Ultimate Evidence | Full Episode
43:16
Cosmic Secrets of Monoliths (S9, E13) | Ancient Aliens: The Ultimat…
46.2K views1 week ago
YouTubeHISTORY
Earthen Echoes of Alien Technology | Ancient Aliens
39:53
Earthen Echoes of Alien Technology | Ancient Aliens
137.9K views2 days ago
YouTubeHISTORY
Top Ten Scariest UFO Encounters (S20, E4) | Ancient Aliens | Full Episode
41:42
Top Ten Scariest UFO Encounters (S20, E4) | Ancient Aliens | Full Epi…
132K views5 days ago
YouTubeHISTORY
Mysteries at the Edge of the World *Marathon* | Ancient Aliens
2:06:25
Mysteries at the Edge of the World *Marathon* | Ancient Aliens
95K views6 days ago
YouTubeHISTORY
Legends of Divine Beings Point to the Stars | Ancient Aliens
22:52
Legends of Divine Beings Point to the Stars | Ancient Aliens
55K views1 day ago
YouTubeHISTORY
Aliens Impact on Human's Genetic Code | Ancient Aliens
25:03
Aliens Impact on Human's Genetic Code | Ancient Aliens
48K views3 days ago
YouTubeHISTORY
Ancient civilizations have looked to the stars for answers | Ancient Aliens
1:28
Ancient civilizations have looked to the stars for answers | Ancient Ali…
22.6K views4 days ago
YouTubeHISTORY
5:47
Did a Global Disaster Hide the Truth? (S1) | Ancient Aliens
13K views5 days ago
YouTubeHISTORY
44:18
Ancient Aliens: Secrets of the Pyramid (S5, E1) | Full Episode | H…
4.8M viewsJun 14, 2023
YouTubeHISTORY
1:31:03
Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | F…
3.4M viewsNov 16, 2024
YouTubeHISTORY
44:43
Sacred & Inexplicable Places | Ancient Aliens
198.8K views1 week ago
YouTubeHISTORY
42:22
Ancient Aliens: Civilization Buried Under Antarctica's Ice?! (S14, E1) …
2.3M viewsAug 8, 2024
YouTubeHISTORY
27:20
The Roswell Mystery Files | Ancient Aliens
131.8K views1 week ago
YouTubeHISTORY
40:57
Secrets of Ancient Civilizations! (Compilation) | Ancient Aliens | Th…
9K views1 week ago
YouTubeThe UnXplained Zone
40:52
The Ancient Aliens that Built the Pyramids
131K views1 week ago
YouTubeCamp Gagnon
3:17
ALTERITY Official Trailer (2026)
17.6K views1 day ago
YouTubeFilmSelect
4:59
Beneath the Yucatán Lies a Giant Secret (S5) | The UnXplained
13.2K views5 days ago
YouTubeHISTORY
See more videos
Static thumbnail place holder