This Seoul amusement park is full of rusted-out rides and unfinished renovations. Forced to close due to financial problems, the park has found a second life after being used as the setting of K-pop album covers and music videos... Stories: 1) Yongma Land, Seoul, South Korea; 2) Institute of Space Structures, Saguramo, Georgia; 3) Dunnottar Castle, Aberdeenshire, Scotland; 4) Nis Concentration Camp, Nis, Serbia