You might want to spend some time browsing the exhibits at K. Timiryazev State Biological Museum, Dostoevsky Museum, or Museum of Decorative & Folk Art. Cathedral of the Immaculate Conception, Central Academic Theatre of the Russian Army, and Lenkom Theatre are landmarks that you won't want to miss. You can watch performances at Tik Tak Theater, Moscow Durov Animal Theatre, and Bogis Theatrical Agency if you're interested in local theater.