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.
Homepage | http://www.nationalgeographic.com.au/tv/historys-secrets/episodes.aspx |
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First Air Date | |
Last Air Date | 2011-01-25 |