Built between 1885 and 1901, Astronomy Tower of the Sorbonne was constructed under The Sorbonne University and provides visitors with breathtaking views from its 39 meters high tower. The tower houses several rooms in its upper and lower dome. While the upper dome is home to the telescope, the lower dome comes with an optics workshop. An unusual place to visit in Paris, this astronomical observatory will let you see planets along with a panoramic view of the city. Take a guided tour to make the best of your visit here.