You'll want to browse the collections at Moscow Museum of Modern Art, Matryoshka Museum, and State Historical Museum. Alexander Goldenweiser's Memorial Flat Museum, Stanislavski and Nemirovich-Danchenko Moscow Academic Music Theatre, and Bolshoi Theatre are notable landmarks to explore if you're in the area. You can catch a show at Praktika Theater, Theater of Modern Drama, and A.R.T.O. Theater.