Erarta Museum and Galleries of Contemporary Art, Alexander Pushkin Museum and Memorial Apartment, and C-189 Submarine Museum feature a variety of fascinating exhibits to see while you're in town. St. Isaac's Cathedral, Admiralty Building, and Blue Bridge are notable landmarks to explore if you're in the area. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Bolshoi Saint Petersburg State Circus if you're interested in local theater.