In the US state of Alabama, a weird and wonderful fantasy land conceived by a visionary with a wild imagination. A place of refuge in Ireland that turned into a house of horrors during a moment of unprecedented national crisis. Scarred ruins strewn across a South Korean city tell of a moment when an outpouring of democratic fervor was met by ruthless repression and a violent crackdown at the hands of a military dictatorship. And, on Namibia's arid skeleton coast, lie scattered traces of a brutal but once vital industry.

This episode explores El Djem Amphitheatre, Tunisia, a colossal dynastic monument that bore witness to violent and bloody spectacle.

Also explored: Fort Amador in Panama, a military base on the frontlines of a battle between the United States and a drug-running tyrant that had allegedly once been a CIA asset. In the foothills the Italian Alps, a community built on utopian ideals, in La Serra Ivrea. In the heart of the Polish capital of Warsaw stands Mokotów Prison, a grisly facility that once caged members of a revolutionary movement.