National Museum of Iran is located at the beginning of 30 Tir Street, Tehran. This museum includes two separate buildings called Ancient Iran Museum and Museum of Islamic Era. In the culture of museums of Iran, this museum is regarded as a master museum. National Museum of Iran is the major museum in terms of keeping, showing and research on archaeological collections of Iran. The scale and variety of objects available at the National Museum of Iran is as wide as geographic extent of Iran and various eras before and during history and after Islam. With an infrastructure of about 20,000 m² and being constructed in a land to the area of 18,000 m² with about 300,000 ancient objects, this museum is one of the major museums of Iran and it is considered as the richest museum in the world in terms of Iran culture and art.