Secrets Underground

6:00 PM to 7:00 PM
Tuesday 8 October
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America's Buried Massacre

Season 1 Episode 4 of 8

Rob Nelson searches for a mass grave that could harbour a dark secret. Plus, a giant lake seems to be disappearing, and Rob set off to find out why

Secrets Underground airs on Discovery History at 6:00 PM, Tuesday 8 October. (Subtitles.)
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