You'll want to browse the collections at Central Armed Forces Museum, Gulag History Museum, and Glinka National Museum Consortium of Musical Culture. Central Academic Theatre of the Russian Army, Church of the Nativity of the Virgin in Putinki, and Stanislavski and Nemirovich-Danchenko Moscow Academic Music Theatre are monuments to see when you're exploring the area around Ostankino Palace. You can catch a show at Hermitage Moscow Theater, Tchaikovsky Concert Hall, and Mossovet Theatre.