History's Secrets
en
PG-13
7.5
N/A
Documentary
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.
First Air Date:
Last Air Date:
2011-01-25
Status:
Ended
Original Country:
US
Original Language:
en
Number of Seasons:
4
Number of Episodes:
27