Qara Kelisa has a special feature of Armenian architecture and is one of the most valuable historical monuments in the country in terms of volume and technique.
The Khargerd School or Ghiyatiyeh School, a historical structure from the Timurid period, is known as one of the tourist attractions of Khorasan Razavi Province.
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.
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.