Ancient Aliens

Season 20 Episode 3: The Top Ten Hidden Alien Bases

Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali...

Genre:

Documentary, Mystery, Sci-Fi & Fantasy

Seasons:

22

Episodes:

285

Actor:

Robert Clotworthy, Giorgio A. Tsoukalos, Ariel Bar Tzadok

Quality:

HD

Status:

Returning Series

First Air:

2010

IMDb:

7.0