Erarta Museum and Galleries of Contemporary Art, C-189 Submarine Museum, and Pushkin Flat-Museum feature a variety of fascinating exhibits to see while you're in town. Sights like St. Petersburg Academy of Fine Arts, St. Isaac's Cathedral, and Yusupov Palace are landmarks to visit in the area. You can catch a show at Mariinsky Theatre, St. Petersburg Philharmonia, and Alexandrinsky Theatre.