Falak-ol- Aflak Fortress- Lorestan
Located in an ancient hill in the center of Khorram Abad city ,it is an old fortress related to Sassanid era.

 

Located in an ancient hill in the center of Khorram Abad city ,it is an old fortress related to Sassanid era. But some resources indicate that its construction refers to shoja-ol-di9n Khorshid –king of " Atabakan –e-Lor" era, in 4th century A.H. This fortress is called "Shapur Khast" in historic written. From the view point of military and geography, this fortress had a special location.