You'll want to browse the collections at Museum of the Defense and Siege of Leningrad, Faberge Museum, and Russian State Museum of the Arctic and Antarctic. Explore landmarks like Smolny Cathedral, Tauride Palace, and Bolshoi Saint Petersburg State Circus. You can watch performances at Oktyabrskiy Big Concert Hall, Alexandrinsky Theatre, and Mariinsky Theatre if you're interested in local theater.