Head to Doksanseong Fortress and learn about its role in defending against attacks and invasions. This structure has witnessed some interesting history during its time.
If you're spending a while in Osan, Doksanseong Fortress is a fine place to kick off your exploring. This history-filled fortress is one of many attractions that'll keep you on the go here. La Vie d'Or Resort & Country Club, Mulhyanggi Arboretum, and Gyeonggi Arts Center are also ready to be explored close by.