A majestic estate for the rich and powerful now lies abandoned in the highlands of Argentina; experts investigate and uncover a once struggling hotel that was transformed into a luxurious resort outpost for elite Nazi German sympathizers. Stories: 1) Hotel Eden, Córdoba, Argentina; 2) Parthenon, Guerrero, Mexico; 3) Fort Douaumont, Verdun, France; 4) Coco Palms Resort, Kaua'i, Hawaii