TV Show Details
Last Air Date:January 25th, 2011
Status:Ended
Genres:Documentary
Original Language:English
Production Companies:National Geographic
History's Secrets on the Web:Official Website
TV Show Tags:
investigation
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Audience Score
Mysterious events, compelling figures and great unanswered questions from the past are explored, with a focus on the reclusive billionaire Howard Hughes; the CIA's top-secret experiments; the Unabomber and; little known stories from NASA's Apollo missions.