At the end of the 14th century AD, a new dynasty brought Elam to the height of its power. His greatest king, Untash-Napirisha (Untash-Gal) embellishes the monuments of Susa, But especially, attached his name to the construction of a new city, Dûr-Untash today Tchogha-Zanbil. The heart of the city consisted of a large temple dedicated to the two major divinities, Inshushinak and the "Great" god hidden under the Sumerian name of Gal. Today Tchogha-Zanbil is located 40 kms south of Susa.
It is the best and most beautiful site of the Elamite period and the first Iranian monument classified by UNESCO.