1. Persepolis: The first Iran Ancient Ruins: Construction on Persepolis began around 520 B.C. under Darius the Great and continued for 120 years during the rule of other Achaemenid kings. However, it never reached completion. At the time of Alexander’s invasion, Persepolis was still under construction, with the north gate of the palace complex left … Continue reading Top 8 Ancient Ruins to Visit in Iran