Jame Mosque in Isfahan is one of the oldest and most important religious structures that includes various sections representing architectural arts in different Islamic period. The present mosque is mainly related to the Seljuk period, but its renovations and extensions are related to later periods, especially in Safavid dynasty. It, just like a vast museum, currently represents the process of evolution and development of Iranian architecture in the Islamic era, and even earlier, because archaeological excavations indicate that this mosque was probably the most important religious center of the city before the Arabs invasion, and was used as a fire temple. In general, the present construction of the mosque includes the following sections. Shabestan, which is an underground space and can usually be found in traditional mosque. This Shabestan, built on circular pillars, is decorated with stunning stucco works. The northern and western domes are decorated with delicate tile works and Quranic words, Iwans are the structures built around the entrances. The Iwans of the mosque are designed with skillful arches, colorful tile works and Qur’anic inscriptions. Jame Mosque in Isfahan expresses the experiences of architecture in the last millennium. Therefore, the main value of Jame mosque in Isfahan is that it has been considered as a model of architecture in the history of the Middle East. The mosque has been registered as a UNESCO World Heritage Site since 2012.