History's Secrets

• TV Show
• EN
• Ended
• 0h 45m
• US
• Documentary

• 7.5
• 4

Production

National Geographic

Storyline

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.