The following exhibitions open next week. “In the Realm of the Buddha,” opening March 13 at the Arthur M. Sackler Gallery, celebrates the sacred arts of Tibetan Buddhism with two exhibitions: “Lama, Patron, Artist: The Great Situ Panchen” focuses on an 18th-century Tibetan painter, while “The Tibetan Shrine From the Alice S. Kandell Collection” is a shrine room containing hundreds of individual works of Buddhist art. 202-633-1000 (TDD: 202-633-5285). . . . On March 17, the National Museum of Natural History opens the David H. Koch Hall of Human Origins, a permanent gallery on the subject of human evolution. 202-633-1000 (TDD: 202-633-5285).