The municipality grounds of Behshahr city is the former Baq-e-Shah, reputedly known as Ashraf-ol-Belad of the Safavid period, which is full of fir trees and beautiful flowers.

This structure ranks first in importance amongst the other castles in Mazandaran province. It was utilized even in the early Safavid era, and was then one of the seats of local power.

The Kheir Abad complex is one of the most important historical sites in Gachsaran. This complex consists of a school, fire temple, castles, and water reservoirs.

This relic is located on the right side of the Dehdasht - Behbahan Road, and to the left of the Kheir Abad River and is related to the Sassanide era.

This ancient city is located at a distance of 60 km. from Zabol and 6 km.