Erarta Museum and Galleries of Contemporary Art, Kirov Apartment Museum, and C-189 Submarine Museum feature a variety of fascinating exhibits to see while you're in town. Strelka, Peter and Paul Fortress, and Russian Admiralty are well-known local landmarks worth a visit. You can catch a show at Mariinsky Theatre, Rimsky-Korsakov Conservatory, and Bolshoi Saint Petersburg State Circus.