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?

Genre:

Documentary, Mystery, Sci-Fi & Fantasy

Seasons:

22

Episodes:

290

Cast:

Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok

Quality:

HD

Duration:

42 min

First Air:

2010

Rating:

7.1