C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Pushkin Flat-Museum feature a variety of fascinating exhibits to see while you're in town. Explore notable local landmarks like St. Isaac's Cathedral, Yusupov Palace, and Mariinsky Palace. You can watch performances at Mariinsky Theatre, Arkady Raykin Variety Theater, and Alexandrinsky Theatre if you're interested in local theater.