Pushkin Flat-Museum, Erarta Museum and Galleries of Contemporary Art, and C-189 Submarine Museum feature a variety of fascinating exhibits to see while you're in town. Sights like Blue Bridge, St. Isaac's Cathedral, and Yusupov Palace are landmarks to visit in the area. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall if you're interested in local theater.