Science

Black Hills Museum of Natural History Gape at the menacing bones of a tyrannosaurus named Stan; examine meteorites that plummeted to Earth; learn about the geology of South Dakota; and see evidence of ancient plants and animals. Fee. 117 Main St., Hill City, SD; +1 605 574 4505.

Museum of Geology Learn about the minerals of South Dakota and how rock and mineral formations occur. Check out ancient fossils, and see rocks from different countries—and from outer space. 501 E. St. Joseph St., Rapid City, SD; +1 605 394 2467.

South Dakota Discovery Center Peer into aquariums to spot native Missouri River fish, experiment with light and electricity, and visit an underground tunnel to see how animals and insects live under a tree. 805 W. Sioux, Pierre, SD; +1 605 224 8295. Fee.