You'll want to browse the collections at C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Pushkin Flat-Museum. English Embankment, Menshikov Palace, and Saint Petersburg Conservatory are monuments to see when you're exploring the area around Isadora Duncan Museum. You can catch a show at Mariinsky Theatre, Alexandrinsky Theatre, and Oktyabrskiy Big Concert Hall.