You might want to spend some time browsing the exhibits at Cruiser Aurora, Pushkin Flat-Museum, or Museum of the Defense and Siege of Leningrad. Peter and Paul Fortress, Spit of Vasilievsky Island, and Strelka are well-known local landmarks worth a visit. You can check out the local talent at Alexandrinsky Theatre, Oktyabrskiy Big Concert Hall, and Mariinsky Theatre.