You'll want to browse the collections at Russian State Museum of the Arctic and Antarctic, Faberge Museum, and Anna Akhmatova Museum at the Fountain House. Alexandrinsky Theatre, Anichkov Palace, and Beloselsky-Belozersky Palace are notable landmarks to explore if you're in the area. You can catch a show at Bolshoi Saint Petersburg State Circus, Oktyabrskiy Big Concert Hall, and Rimsky-Korsakov Conservatory.