Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 21 · Episode 5 ·
Valley of the Inca
In this documentary, Horizon examines the work at an archaeological project in the Cusichaca Valley, Peru.
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Episode 5 of season 21 of Horizon: “Valley of the Inca”. Aired 1984-02-13. Watch it online free on ZapFlix.