The protected areas encompass the ruins of temples and palaces, outdoor pagodas and statuary, and other cultural artifacts left by the Koreanic kingdom Silla (57 BC – 935 AD).

[1] The mountain itself is considered a large open-air museum because of the ancient art and artifacts on display in the open.

Excavated tombs reveal wooden coffins covered with gravel and rich grave goods of gold, glass, and quality ceramics.

According to the excavated foundation stones, Hwangnyongsa was the largest temple ever built in Korea and covered 72,500 m2.

[1][2] The Sanseong Belt includes the ruins of fortresses along the east coast of South Korea.