The Maragheh Observatory is an important historical astronomical site located in Iran. Established in the 13th century, it was one of the most advanced observatories of its time. The observatory was founded by the famous astronomer Nasir al-Din al-Tusi, who aimed to improve the understanding of celestial bodies and their movements. The observatory featured a large telescope and various instruments for observing the stars and planets. It played a significant role in the development of astronomy, influencing later scholars and observatories. Today, the site is recognized for its contributions to science and remains a point of interest for historians and astronomers alike.