Rumyantsev Mansion, C-189 Submarine Museum, and Erarta Museum and Galleries of Contemporary Art feature a variety of fascinating exhibits to see while you're in town. Yusupov Palace, St. Isaac's Cathedral, and St. Petersburg Academy of Fine Arts are some of the local landmarks to explore. You can catch a show at Mariinsky Theatre, Tovstonogov Bolshoi Drama Theater, and Alexandrinsky Theatre.