You'll want to browse the collections at C-189 Submarine Museum, Erarta Museum and Galleries of Contemporary Art, and Anna Akhmatova Literary and Memorial Museum. Grand Choral Synagogue, Saint Petersburg Conservatory, and Yusupov Palace are monuments to see when you're exploring the area around Isadora Duncan Museum. You can catch a show at Mariinsky Theatre, Rimsky-Korsakov Conservatory, and Alexandrinsky Theatre.