Gonbad-e Qabus Tower is a fourteenth-century monument located in the Northeast of Iran, City of Gonbad-e Kavus, Golestan Province. As one of the most valuable antiquities belonging to the Islamic Era architecture, the monument is amongst the highest brick-built edifices in the world. Qabus Tower has been standing over a hill for more than a thousand years. It was erected in 996 during the reign of the Ziyarid Amir Shams ol-Ma’āliQabusibnWushmgir in the city of Jorjan. Qabus Tower has a star-shaped base and including the height of the platform hill (15 m), it reaches 70 m.