A looming skyscraper, Ponte City, once an exclusive residential complex, turns into a dystopian ruin in Johannesburg, South Africa; experts investigate and uncover a symbolic structure of urban decay under the shameful shadow of apartheid.

A majestic vacation estate for the rich and powerful now lies abandoned in the highlands of Argentina - the Hotel Edén in Córdoba Province. Experts investigate and uncover a once struggling hotel transformed into a luxurious resort outpost for elite Nazi German sympathizers.