You'll want to browse the collections at Russian State Museum of the Arctic and Antarctic, Dostoyevsky Museum, and Faberge Museum. Beloselsky-Belozersky Palace, Anichkov Palace, and Alexandrinsky Theatre are notable landmarks to explore if you're in the area. You can watch performances at Oktyabrskiy Big Concert Hall, Bolshoi Saint Petersburg State Circus, and Rimsky-Korsakov Conservatory if you're interested in local theater.