Erarta Museum and Galleries of Contemporary Art, C-189 Submarine Museum, and Cigar Museum feature a variety of fascinating exhibits to see while you're in town. Russian Admiralty, St. Isaac's Cathedral, and Admiralty Building are notable landmarks to explore if you're in the area. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall if you're interested in local theater.