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History's Secrets

45m/ep4 seasons · 27 epsEnded
7.5

4 votes

Documentary
Official Site

Overview

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.

Seasons

Status

Ended

Language

English

Type

Documentary

Last Air Date

January 25, 2011

Production

National Geographic

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