The castles of Bandar Langeh region were generally built for the life of local rulers. Kalat Castle was also built for the life of Sheikh Suleiman al-Hammadi.
"Manijeh Zij" or "Manijeh Castle" is one of the ancient relics left near the city of Sarpol-e Zahab, which is located 15 km from this city in a village called Patagh.
Morche Khort Castle is actually the old place of the village where the inhabitants lived. The existence of towers, fortifications and strong walls is due to the need for security.
One of the important caravanserais located in Semnan province and south of Garmsar is "Ain al-Rashid" which is located a short distance from Ghasr-e Bahram caravansary.
Kangelo Castle (Kangolo, Kangeloo, قلعه کنگلو) is located a short distance from a village called Kangelo, which is part of the beautiful Savadkouh County,
Ghasr-e Bahram Caravansary is located in the middle of a vast plain and there are no other artificial structures around it for a relatively long distance.