Ancient Aliens (2010)

S20E3 The Top Ten Hidden Alien Bases

This episode explores the intriguing possibility of alien bases concealed across the globe, presenting a countdown of the top ten suspected sites. Highlights include a mysterious cavern buried in the icy depths of Antarctica, a UFO hotspot nestled within a lake in China, and the enigmatic pyramid thought to lie beneath the slopes of Mount Denali. Each location is examined for its potential connections to extraterrestrial activity, sparking curiosity and speculation about what lies beneath the surface of our planet.