You might want to spend some time browsing the exhibits at Museum of the Defense and Siege of Leningrad, Faberge Museum, or Russian State Museum of the Arctic and Antarctic. Sights like Tauride Palace, Smolny Cathedral, and Bolshoi Saint Petersburg State Circus are must-sees while exploring the area. You can catch a show at Oktyabrskiy Big Concert Hall, Alexandrinsky Theatre, and Mariinsky Theatre.