History's Secrets
NaN • 45 min
75%
Overview
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.
Documentary
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First Air Date
Invalid Date
Status
Ended
Original Name
History's Secrets
Episode Runtime
45 minutes
Seasons
4
Episodes
27
Language
EN
Production Companies
National Geographic