You might want to spend some time browsing the exhibits at Museum of Water, Anna Akhmatova Museum at the Fountain House, or Museum of the Defense and Siege of Leningrad. 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 Leningrad Center, Oktyabrskiy Big Concert Hall, and Alexandrinsky Theatre.