You'll want to browse the collections at Modern Russian History Museum, Gulag History Museum, and Moscow Museum of Modern Art. Some landmarks that you won't want to miss include Church of the Nativity of the Virgin in Putinki, Cathedral of the Immaculate Conception, and Alexander Goldenweiser's Memorial Flat Museum. You can catch a show at Tchaikovsky Concert Hall, Praktika Theater, and Na Strastnom Theater Center.