C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Cigar Museum feature a variety of fascinating exhibits to see while you're in town. While you're exploring, swing by Yusupov Palace, Saint Petersburg Conservatory, and St. Isaac's Cathedral to learn a bit about the area. You can watch performances at Mariinsky Theatre, Rimsky-Korsakov Conservatory, and Alexandrinsky Theatre if you're interested in local theater.