Chogha Zanbil is one of the few similar ziggurats to those of Mesopotamia, away from that area. It was originally called Dur Untash (place of Untash). After death of the king, the successors didn’t continue the construction of Dur Untash. However, it was still used for years. Until the year 640 BC when Assyrians invaded and Ashurbanipal, the king, ordered to destroy it. Over the centuries of abandonment, people saw the ziggurat as nothing but a mound in shape of a basket. And that is the exact meaning of Chogha Zanbil.
A New Zealand petroleum expert discovered Chogha Zanbil during their explorations in 1936. Following that, Roman Girshman pursued archeological excavations in the site from 1951 to 1961. Through the excavations some unused bricks were found in this ancient site, Due to the cessation of the development after the death of Untash the king. Some of those bricks were used in the construction of the Susa Castle in the past century by a foreign archeologist. Chogha Zanbil was the first historical monument of Iran to be inscribed on UNESCO world cultural heritage list, in 1979.