Study the collections at C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, or Alexander Pushkin Museum and Memorial Apartment. Some landmarks that you won't want to miss include Saint Petersburg Conservatory, Yusupov Palace, and Mariinsky Palace. You can watch performances at Rimsky-Korsakov Conservatory, Mariinsky Theatre, and Alexandrinsky Theatre if you're interested in local theater.