The Top Ten Unexplained Technologies (S21E04)
S21E04
In this episode of Ancient Aliens, a countdown reveals ten of the most incredible and enigmatic technologies throughout history. The journey takes viewers from the enigmatic golden spheres unearthed in Mexico to a revered wooden chest believed to connect with the divine, and an ancient burial site that appears to illustrate an astronaut. Could these extraordinary relics be proof of extraterrestrial encounters?
Show
Ancient Aliens
Episode
S21E04
Air Date
Feb 28, 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