Discovery Science Center
2500 N. Main St.
Santa Ana, CA
714-542-2823

Features more than 120 hands-on exhibits in a variety of themed areas: Perception, Dynamic Earth, the new, improved Quake Zone, Exploration Station, Principles of Flight, Performance, Space Exploration and KidStation.

Twenty new exhibits have been unveiled since spring 2003, including the Discovery Stadium, featuring "green-screen technology" for virtual sports playing; Techno Arts, featuring interactive music creation; and the Shadow Sand Garden.

Hours: Daily, 10 a.m.-5 p.m.