You'll want to browse the collections at Matryoshka Museum, Moscow Museum of Modern Art, and Gulag History Museum. Alexander Goldenweiser's Memorial Flat Museum, Stanislavski and Nemirovich-Danchenko Moscow Academic Music Theatre, and The Cherry Orchard Theater are notable landmarks to explore if you're in the area. You can catch a show at Praktika Theater, Anton Chehov's Theater, and Central Academic Theatre of the Russian Army.