Oil Tank Culture Park

Oil Tank Culture Park is a deeply unusual space: a former petroleum reserve facility hidden behind Mount Maebongsan in northwest Seoul, decommissioned in 2000 (as Korea's strategic oil reserves shifted to underground caverns elsewhere) and reborn in 2017 as a cultural complex. Five of the original massive oil tanks (built 1976-1978 in response to the 1970s oil-crisis-era strategic reserve policy) have been preserved and converted into performance spaces, glass pavilions, and exhibition halls — leaving the riveted steel walls and tank-shaped silhouettes visible as heritage-industrial architecture. A sixth tank (T6) serves as a community lounge built from steel salvaged from the site, and functions as an information center + visitor cafe. Combined with the surrounding park (roughly 14 ha of restored former-industrial-zone landscape), the result is a striking example of industrial heritage reuse — one of Seoul's most-cited examples of the 2010s urban-industrial-reuse movement. Free to visit; some tanks open only for special exhibitions. Access: 10-minute walk from World Cup Stadium Station (Line 6, Exit 2). Pair with the World Cup Park, Haneul Park (spectacular autumn silvergrass), and Peace Park for a full northwest-Seoul industrial-and-nature day.