You'll want to browse the collections at Armoury Chamber, Pushkin Museum of Fine Arts, and Gallery of 19th and 20th Century European and American Art. Grand Kremlin Palace, Cathedral of Christ the Savior, and Cathedral of the Assumption are notable landmarks to explore if you're in the area. You can watch performances at The Cherry Orchard Theater, Moscow Arts Theatre, and Maly Theatre if you're interested in local theater.