Ancient Aliens
Season 21 Episode 2 - The Top Ten Mysterious Monoliths
Ancient Aliens is counting down the world's top ten most mysterious monoliths. From a 500-ton stone believed to represent an ancient UFO, to giant statues said to have been created with advanced technology and ornate pillars that depict otherworldly visitors. Could these extraordinary standing stones provide evidence of extraterrestrial visitation?
Episodes in Season 21
The Top Ten Extraordinary Discoveries
42 min
The Top Ten Mysterious Monoliths
42 min
The Top Ten UFO Crashes
42 min
The Top Ten Unexplained Technologies
42 min
The Top Ten Secret Projects
60 min
The Top Ten Mysterious Mountains
60 min
Mysteries of the Aztecs
60 min
The Glowing Orb Phenomenon
60 min
The Legacy of J. Allen Hynek
60 min
The Volcano Factor
60 min
The Birdman Mystery
60 min
The Abduction Files
60 min
The Giants
60 min
Aliens In Our Midst
60 min
Britain's UFO Files
60 min
Mysteries Of The Norse Gods
60 min
Secrets of Japan
60 min
Skulls of the Gods
60 min
Islands of the Gods
60 min