History's Secrets
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.
Last Episode Date: 2011-01-25
Official website: http://www.nationalgeographic.com.au/tv/historys-secrets/episodes.aspx
