C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and General Staff Building feature a variety of fascinating exhibits to see while you're in town. Sights like Saint Petersburg Conservatory, Yusupov Palace, and Blue Bridge are must-sees while exploring the area. You can watch performances at Mariinsky Theatre, Alexandrinsky Theatre, and Bolshoi Saint Petersburg State Circus if you're interested in local theater.