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. Explore notable local landmarks like St. Isaac's Cathedral, Blue Bridge, and Yusupov Palace. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall if you're interested in local theater.