For over 70 years, this nonprofit institution has inspired the lifelong discovery of science. The science museum features nearly 200 hands-on exhibits focused on biology, physics, visual perception, listening, mind, air and space, energy and earth science. The Sudekum Planetarium features state-of-the-art digital projection. Open daily 10 am-5 pm. Tickets: $10.95-$18.95; ages 2 and under free. Check website for ticket options and prices.