You'll want to browse the collections at Glinka National Museum Consortium of Musical Culture, Moscow Museum of Modern Art, and Gulag History Museum. Lenkom Theatre, Yeliseyev Grocery Store, and Stanislavski and Nemirovich-Danchenko Moscow Academic Music Theatre are notable landmarks to explore if you're in the area. You can catch a show at Tchaikovsky Concert Hall, Tik Tak Theater, and Sphere Moscow Drama Theater.