The Ziggurat of Susa is an ancient stepped structure located in modern-day Iran. Built around 3000 BCE, it served as a temple dedicated to the moon god Nanna. The ziggurat was part of the ancient city of Susa, which was a significant urban center in the Elamite civilization. This architectural marvel features a series of terraces that rise in a pyramid-like shape, showcasing the ingenuity of early engineering. The ziggurat was constructed using mud bricks and was often adorned with colorful tiles. It played a crucial role in the religious and cultural life of the people in the region.