You'll want to browse the collections at New Tretyakov Gallery - Museum of Modern Art, Multimedia Art Museum, and Tolstoy Literary Museum. Cathedral of Christ the Savior, Tolstoy Museum on Prechistenka, and Armoury Chamber are notable landmarks to explore if you're in the area. You can watch performances at Moscow State Variety Theater, Theater of Modern Drama, and Anton Chehov's Theater if you're interested in local theater.