Archaeologist noticed three large windows facing southeast where stars rise after sunset, precisely matching the ones in Maragheh.
October 17, 2010 (Hamsayeh.Net) - Iranian archaeologist have discovered an ancient observatory located atop Mount Alamut about 100 km northwest of Tehran. Read more
Archaeologists working at the Alamut Castle have recently discovered ruins of a structure which they say may be of an observatory that had been built by the Iranian polymath Khawja Nasir ad-Din Tusi at the castle during the 13th century. Read more
Iranian archaeologists announced on Saturday that they have found an ancient observatory used by Iran's renowned astronomer Khaje Nasireddin Tousi in Alamut Castle, north of Iran. Read more