Imam Reza Shrine Mosque in Mashhad, Iran is a complex which contains the mausoleum of ImÄm Ridha, Imam Reza Shrine Mosque have the eighth Imam of Twelver Shi’ites and known as third largest mosque of the world.
Imam Reza Shrine Mosque also contained within the complex include: the Goharshad Mosque, a museum, a library, four seminaries, a cemetery, the Razavi University of Islamic Sciences, a dining hall for pilgrims, vast prayer halls, and other buildings.