Erarta Museum and Galleries of Contemporary Art, C-189 Submarine Museum, and Alexander Pushkin Museum and Memorial Apartment feature a variety of fascinating exhibits to see while you're in town. St. Isaac's Cathedral, Strelka, and Admiralty Building are monuments to see when you're exploring the area around Menshikov Palace. You can watch performances at Mariinsky Theatre, Mariinsky Theater Concert Hall, and Mikhailovsky Theatre if you're interested in local theater.