Don Wildman explores the dark dungeons beneath the medieval streets
of Prague, discovering quarries where Hitler may have hidden a secret
weapon and mines that were used as Communist slave camps.
Tags
Don Wildman, Cities of the Underworld, History Channel, watch historical documentaries, watch travel documentary, travel, history, documentary, series, communism, camp, nazism, prague, hitler, adolf hitler, weapon, hidden, hitler's last secret, last, secret
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