Khajeh Nasir Observatory, Maraqeh
This famous observatory was constructed in the year 657 AH. during the rule of Hollakoo Khan under the orders of the great Iranian scholar Khajeh Nasiroddin Toosi. Archeologists have excavated sections of this aggregate, the most important of which being the central tower and library besides other evidences of this observatory.There is also a historical cave in this vicinity from the Sassanian era known as the Talib Khan Cave.
