Erarta Museum and Galleries of Contemporary Art, Alexander Pushkin Museum and Memorial Apartment, and Pushkin Flat-Museum feature a variety of fascinating exhibits to see while you're in town. St. Isaac's Cathedral, Admiralty Building, and Mariinsky Palace are notable landmarks to explore if you're in the area. You can watch performances at Mariinsky Theatre, Mariinsky Theater Concert Hall, and Mikhailovsky Theatre if you're interested in local theater.