You'll want to browse the collections at Modern Russian History Museum, Scriabin Memorial Museum, and Nemirovich-Danchenko's Apartment Museum. While you're exploring, swing by Cathedral of the Immaculate Conception, Alexander Goldenweiser's Memorial Flat Museum, and Memorial Museum-Workshop of Sculptor ST Konenkova to learn a bit about the area. You can watch performances at Praktika Theater, Tchaikovsky Concert Hall, and Na Strastnom Theater Center if you're interested in local theater.