Behestan Castle

Behestan castle is a historical castle located in Mahneshan County in Zanjan Province, Iran, near Behestan village and next to Ghezel Ozan river. The first building of this fort belongs to the Sasanian Empire, but it was used in the Islamic period and the 5th to 7th centuries AH. The remains of Behestan castle have been registered in the Iran National Heritage List as number 1458.

Source: Wikipedia