Potsdam is the capital of the federal state of Brandenburg. The city is characterized by a fascinating mix of natural beauty, rivers, lakes, parks and forests dominated by historic buildings cultural landscape. In Babelsberg is the Flatow Tower. The Havel flows past the friendship island and attracts a wide arc around the old town and the Hermannswerder peninsula before they reached the Lake Templin. In the town of Potsdam stand alongside modern prefab historical sights such as St. Nicholas Church, St. Peter and Paul's Church and the Brandenburg Gate