Alamut Castle, Iran The fortress of Alamut, with its unusual water supply system, was built at an altitude of 2,100 metres. P.de Franqueville
The 11th and 13th century Alamut Castle, an Ismailian fortress, better known as the Castle of Death, overlooks a fertile valley of the Rudbar massifs from an altitude of 5,904 feet. A few ruins remain above the village of Gazor Khan.