Documentary
History's Secrets
4 seasons7.5/10Ended
Overview
Mysterious events, compelling figures, and great unanswered questions from the past are explored in this National Geographic series.
Where to Watch
Seasons
Season 1
18 episodes
No poster
Season 2
4 episodes
2007
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Season 3
3 episodes
2008
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Season 4
2 episodes
2009
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