C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Russian Vodka Museum feature a variety of fascinating exhibits to see while you're in town. Some landmarks that you won't want to miss include Saint Petersburg Conservatory, Yusupov Palace, and St. Nicholas' Naval Cathedral. You can catch a show at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall.