An enormous castle – fortress with some 10 km of stone walls, built several millenia ago. Major part of walls collapsed and in ruins.

Location, GPS coordinates:	38.0646 N 126.5853 E
Categories:	Castles, Fortresses and forts
Values:	Architecture, Visual
Rating:
Where is located?	Asia, North Korea, North Hwanghae, near Kaesŏng, encircles Kwanum Temple and goes along Pakyon Falls

Taehungsan Fortress on the map