Deyr Gachin Caravansary

Deir-e Gachin Caravansarai is one of the largest caravansarais of Iran which is located in the center of Kavir National Park. Its unique qualities is the reason it is called “mother of all caravansarais of Iran”. It is located in the Central District of Qom County, 80 kilometers north-east of Qom (60 kilometers into Garmsar Freeway) and 35 kilometers south-west of Varamin. This monument was registered in Iran's National Heritage List on September 23, 2003. The structure of this caravanserai belongs to Sasanian era, and restorations took place in Seljuk, Safavid and Qajar eras. Its current form belongs to Safavid era. This caravanserai is situated on the ancient rout from Ray to Isfahan. Wikipedia