C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Russian Museum feature a variety of fascinating exhibits to see while you're in town. St. Nicholas' Naval Cathedral, Saint Petersburg Conservatory, and Yusupov Palace are monuments to see when you're exploring the area around Seven Bridges. You can check out the local talent at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall.