America's Book of Secrets: The World's Most Mysterious Military Base

Go inside the most famous secret military base on Earth to expose the high-tech security, undercover operations, and most outrageous claims surrounding the 575 square miles of "restricted" space. See more in Season 1, Episode 4, "Area 51." Chapters: 0:00 Introduction to America's Most Secretive...

43 min - Archaeology & Mysteries - HISTORY

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