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. Some landmarks that you won't want to miss include St. Petersburg Academy of Fine Arts, Yusupov Palace, and St. Isaac's Cathedral. You can catch a show at Mariinsky Theatre, St. Petersburg Philharmonia, and Alexandrinsky Theatre.