Relics excavated from the tombs in Daeseong-dong are on display in this museum. The museum unveils the hidden truth about Geumgwan Gaya and proves that this area was the site of Geumgwan Gaya. The museum has exhibition halls on the first floor and auxiliary facilities on the underground floor. Three exhibition halls on the first floor are divided into 5 spaces of Introduction, Overview, Tombs, Exchange, and Culture. Main items on display include a life size warrior on a horse that was recreated based on the skeleton excavated from a tomb in Yean-ri. Life size replicas of tombs and relics are on display also. Videos and dioramas facilitate the understanding of Gaya culture.