Erarta Museum and Galleries of Contemporary Art, Pushkin Flat-Museum, and Russian Museum feature a variety of fascinating exhibits to see while you're in town. St. Petersburg Academy of Fine Arts, Yusupov Palace, and St. Isaac's Cathedral are monuments to see when you're exploring the area around C-189 Submarine Museum. You can watch performances at Mariinsky Theatre, Mikhailovsky Theatre, and St. Petersburg Philharmonia if you're interested in local theater.