Persepolis was the ceremonial capital of the Achaemenid Empire, founded by Darius I in the 6th century BCE. This magnificent city, located in present-day Iran, is renowned for its grand palaces, impressive reliefs, and monumental staircases, symbolizing the power and culture of one of history's greatest empires. The site of Persepolis is a UNESCO World Heritage Site, attracting visitors from around the globe. Its ruins offer a glimpse into the architectural and artistic achievements of the Achaemenids, showcasing the empire's rich history and the significance of Zoroastrianism in ancient Persian culture.