Bam is a desert city in southeast of Iran with 1,060 meter altitude. The city is famous for its horticultural products such as dates and citrus as well as its large and historical citadel. Bam citadel is the largest complex being made by adobe in the world. This fortification belongs to the Parthian era and was used until the Qajar period. The Bam citadel has been built over a hill in the Bam plain on the east to west road. The citadel has governmental castle, bazaar, mosque, school, cistern, stable, Zurkhaneh (gym), amphitheater, barracks and ordinary people houses. A severe earthquake shacked the city on 26 December 2003. There was enormous destruction in and around the city. More than thirty thousand people died in this tragic earthquake and Bam citadel was destroyed more than 90 percent. With the help of countries being member of UNESCO world heritage site, the citadel has been greatly rebuilt and today is the most highlighted attraction of this area.