The Top Ten Extraordinary Discoveries (S21E01)
S21E01
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?
Show
Ancient Aliens
Episode
S21E01
Air Date
Feb 07, 2025
Season 21 Episodes
S21E01
The Top Ten Extraordinary Discoveries
S21E02
The Top Ten Mysterious Monoliths
S21E03
The Top Ten UFO Crashes
S21E04
The Top Ten Unexplained Technologies
S21E05
The Top Ten Secret Projects
S21E06
The Top Ten Mysterious Mountains
S21E07
Mysteries of the Aztecs
S21E08
The Glowing Orb Phenomenon
S21E09
The Legacy of J. Allen Hynek
S21E10
The Volcano Factor
S21E11
The Birdman Mystery
S21E12
The Abduction Files
S21E13
The Giants
S21E14
Aliens In Our Midst
S21E15
Britain's UFO Files
S21E16
Mysteries Of The Norse Gods
S21E17
Secrets of Japan