 Bahram-e Choobin Gorge, a narrow and high valley, is one of the most important and strategic points of the region, located in the western side of the Darreh Shahr - Pol Dokhtar road.This gorge, which is also called the Bahram Hunting Ground, contains several historical monuments in its entrance and on the hard rocks like the ruins of a Sassanide castle which is built of stone and gypsum with stone stairs and four connected water reservoirs (Ab Anbar) which are worth seeing.Imamzadeh Saleh is located in Majeen Graveyard near Darreh Shahr.