From isolated sanctuaries in the heart of the rocky mountains to the most visited sites in bustling cities, Iran embraces inspiring centers of worship that draw devotees from all around the world. Here is a list of six must-see religious attractions in Iran: Holy shrine of Imam Reza (AS) With millions of visitors per year, the holy shrine of Imam Reza in Mashhad is one of the most important attractions of Iran. Historical data suggest that the shrine complex has been developed at differ