This episode explores Kasbah Telouet, Morocco; Schindler's Ark, Czech Republic; Ariaú Amazon Towers, Brazil; and Rudesdorf, Berlin.In a quiet corner of the Czech Republic, a run-down facility conceals a dramatic story of hope and survival against all odds in the brutal age of Nazi tyranny. High in Morocco's Atlas Mountain range is an imposing and lavish stronghold, once home to a wealthy warlord that stood accused of betraying his country. Deep in the Brazilian rainforest are the remains of an Amazonian paradise, lost to the financial lure of reality Television. And, in Germany a cathedral of industrial that played a pivotal role in building the nation's capital.