In testimony to his feats, Darius the Great had himself represented on a colossal relief that can still be seen high on a cliff face at Bisitun, on the old road between Babylon and Ecbatana.
एक अन्य राजधानी सूसा में थी जो बाबुल अहमता और पर्सीपोलिस के ठीक मध्य में है ।