You might want to spend some time browsing the exhibits at Glinka National Museum Consortium of Musical Culture, Central Armed Forces Museum, or Gulag History Museum. Cathedral of the Immaculate Conception, Yeliseyev Grocery Store, and Stanislavski and Nemirovich-Danchenko Moscow Academic Music Theatre are landmarks that you won't want to miss. You can watch performances at Tchaikovsky Concert Hall, Tik Tak Theater, and Adrenaline Stadium if you're interested in local theater.