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.
| Created By | ||
|---|---|---|
| Status | Ended | |
| Original Name | History's Secrets | |
| First Air Date | — | |
| Last Air Date | January 25, 2011 | |
| Seasons | 4 | |
| Episodes | 27 | |
| Episode Runtime | 45min | |
| Language | English | |
| Original Language | English | |
| Production Countries | — | |
| Production Companies | National Geographic | |
| Networks | ||
