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