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Secret History

S14 · E4 — The Great Wall of China: The Hidden Story

S14:E4 · The Great Wall of China: The Hidden Story

Episodes

4 episodes in this season

E1

The Real Noah's Ark

Hitler's Hidden Drug Habit
E2

Hitler's Hidden Drug Habit

E3

World War I's Forgotten Heroes

E4
Now Playing

The Great Wall of China: The Hidden Story

Watch S14:E4 — The Great Wall of China: The Hidden Story — Secret History | Where To Watch