Erarta Museum and Galleries of Contemporary Art, Pushkin Flat-Museum, and C-189 Submarine Museum feature a variety of fascinating exhibits to see while you're in town. St. Isaac's Cathedral, Admiralty Building, and St. Petersburg Academy of Fine Arts are some of the notable landmarks to see in the area. You can watch performances at Mariinsky Theatre, St. Petersburg Philharmonia, and Alexandrinsky Theatre if you're interested in local theater.