Ancient Aliens
S21E01 The Top Ten Extraordinary Discoveries
In this episode of Ancient Aliens, the series highlights ten remarkable findings that defy conventional understandings of human history. Viewers will explore a hidden city nestled in the Andes, enigmatic metal spheres of unknown origin, and an underwater city believed to be the dwelling place of deities. These astounding discoveries prompt the question: do they offer evidence of interactions with extraterrestrial beings?
Season 21 Episodes
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The Top Ten Extraordinary Discoveries
The Top Ten Mysterious Monoliths
The Top Ten UFO Crashes
The Top Ten Unexplained Technologies
The Top Ten Secret Projects
The Top Ten Mysterious Mountains
Mysteries of the Aztecs
The Glowing Orb Phenomenon
The Legacy of J. Allen Hynek
The Volcano Factor
The Birdman Mystery
The Abduction Files
The Giants
Aliens In Our Midst
Britain's UFO Files
Mysteries Of The Norse Gods
Secrets of Japan