Rumyantsev Mansion, C-189 Submarine Museum, and Erarta Museum and Galleries of Contemporary Art feature a variety of fascinating exhibits to see while you're in town. Yusupov Palace, St. Isaac's Cathedral, and Admiralty Building are monuments to see when you're exploring the area around Seven Bridges. You can check out the local talent at Mariinsky Theatre, Tovstonogov Bolshoi Drama Theater, and Alexandrinsky Theatre.