Study the collections at C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, or Alexander Pushkin Museum and Memorial Apartment. While you're exploring, swing by Saint Petersburg Conservatory, Yusupov Palace, and St. Nicholas' Naval Cathedral to learn a bit about the area. You can check out the local talent at Mariinsky Theatre, Alexandrinsky Theatre, and Bolshoi Saint Petersburg State Circus.