The Discovery Cube Orange County, formerly known as the Discovery Science Center, Taco Bell Discovery Science Center, or simply The Cube, is a science museum in Santa Ana, California, with more than 100 hands-on science exhibits designed to spark children's natural curiosity. Designed by the architecture firm Arquitectonica with structural engineers Carl Johnson and Svend Nielsen, it has become a visual landmark due to its ten-story solar array cube that stands over Interstate 5.