The Lut Desert is an exceptional instance of continuous geological processes. Apart from its aesthetic aspects, it is amongst the special natural phenomena and an outstanding example of a major phase in the geological history of the region. With a total area of 175000 sq. km, the desert makes up about 10% of the total area of the country. In years 2004, 2005, 2006, 2007 and 2009 the highest temperatures in the world were registered in this region with 70.7 degree centigrade as the hottest in 2005. Apart from being a natural landscape, it has a long civil history. Discovery of several thousand antiquities such as castles, caravanserais, and water reservoirs proves this.