Cities of the Underworld
Season 3 / Episode 6
Host Don Wildman tracks down subterranean secrets from Europe's Dark Ages, including a secret society's immense quarries, Templar torture chambers and the tunnels of medieval "ghost knights."
Genre - Documentary/History/Science/World history
Running Time - 44min
Country - USA
Language - en
Original Air Date - Monday 1st December 2008
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