Staatsoper Unter den Linden
Frederick the Great was a music lover and he made the Staatsoper Unter den Linden, on the east side of Bebelplatz, his first priority. The lavish opera house was completed in 1743 by the same architect who built Sanssouci in Potsdam, Georg Wenzeslaus von Knobelsdorff. The house reopened in late 2017 after a major seven-year renovation. There are guided 90-minute tours of the opera house's interior on weekends (book online), but they are offered in German only.