Science

Boonshoft Museum of Discovery Touch a frilled sea anemone or sea cucumber at the tidal pool, dance around the color wall and watch your silhouette change, visit Nesiur the Mummy, investigate fossils, rocks, and animals native to Ohio. 2600 DeWeese Pkwy., Dayton, OH; +1 937 275 7431. Fee.

Cleveland Museum of Natural History Roam exhibits that include the three-million-year-old human ancestor Australopithecus afarensis, known as "Lucy," and the 150 million-year-old sauropod Haplocanthosaurus delfsi; visit the planetarium, observatory, discovery center, live animal shows, and wildlife center and woods garden. 1 Wade Oval Dr., Cleveland, OH; +1 800 317 9155. Fee.

COSI Science Center Spin around in the Centripetal Generator as the floor drops out beneath you, take apart everyday items in the Gadgets Café to learn how they work, maneuver a Mars Rover, ride a unicycle across a high-wire suspended high above the ground. 333 W. Broad St., Columbus, OH; +1 614 228 COSI. Fee.

Great Lakes Science Center Enjoy a movie on the OMNIMAX® Theater giant screen, get hands-on with more than 400 exhibits, grab a bite to eat or shop the Science Store. 601 Erieside Ave., Cleveland, OH 44114; +1 216 694 2000. Fee.

Neil Armstrong Air and Space Museum Relive those first steps on the moon, learn about Armstrong's previous aerospace accomplishments, trace the history of piloted flight from the very beginning. I-75 and Bellefontaine Rd., Wapakoneta, OH; +1 419 738 8811. Fee.

National Inventors Hall of Fame Find out who invented the technology for frozen foods, cellophane, the safety pin; discover the story behind the hundreds of inventions that people use today; try your hand at creating something fun (slime, anyone?). 221 S. Broadway, Akron, OH; +1 330 762 4463. Fee.