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. 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, Rimsky-Korsakov Conservatory, and Baltic House Theatre if you're interested in local theater.