TEHRAN, Mar. 28 (MNA) – The ancient castle of Falak al-Aflak, as a world architectural masterpiece, was included in the list of 5 most visited historical monuments in Iran.
Shapur Khast or Falak-ol-Aflak is situated on the top of a large hill with the same name within the city of Khorramabad, the provincial capital of Lorestan, in west Iran. This gigantic structure was built during the Sassanid era.