You might want to spend some time browsing the exhibits at Faberge Museum, Cruiser Aurora, or Russian State Museum of the Arctic and Antarctic. Tauride Palace, Bolshoi Saint Petersburg State Circus, and Dostoyevsky Museum are notable landmarks to explore if you're in the area. You can watch performances at Leningrad Center, Oktyabrskiy Big Concert Hall, and Alexandrinsky Theatre if you're interested in local theater.