Watch History's Secrets Online

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. Read More

Watch History's Secrets online. Featuring , History's Secrets has 4 seasons and 15 episodes in total. It is available for streaming online in the UK on 1 services such as Apple iTunes. It is classified as Documentary genre series and the average rating across the web is 7. The TV series was first aired on 2006. Read Less