The tomb of Imamzadeh Eshaq-ebne Musabne Jafar is in Sarcheshmeh of Gorgan. He was Imam Reza's brother.

This new mosque is situated in Gorgan city and is devoid of any artistic and historical aspects. There is a relatively old "Qadamgah" near the mosque.

The original structure of this mosque is located in the "Na'l Bandan" locality of the city. Most probably, the construction of which coincides with that of the brick minaret of Saljukian period.

This mosque was constructed by a decree issued by Shah Abbas I and took a period of 18 years to be completed. The architect and mason of this structure was 'Ostad Mohammad Reza Esfahani'

The same is an aggregate of structures and works of art of the post-Islamic period in Iran. Interesting aspects of this mosque are: