Twelver Shi'i Islam is totally dominating the Iranian society, not only as creed, but also with its impact on the political system.
There is a wide range of places to visit in Iran, a country that has something for everyone, from the lovers of art and culture to the more adventurous at heart. For visitors who want to discover the culture and traditions of Iran, there are several magnificent ruins of ancient cities, glorious mosques and mausoleums. The adventure seekers can enjoy budget-priced skiing, trekking, or some rock climbing.
There is a vastly extended network of rivers in Iran most of which seasonally are filled with water. Some permanent rivers run from the Alborz or the Zagros to the Caspian Sea, Persian Gulf and Oman Sea.