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.
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,