Roller coasters and wild rides get most of the attention—the Stealth will have you riding flat on your back, and the Drop Zone will plunge you 22 stories in four seconds. There are activities suitable for all ages, especially in the on-site waterpark. Characters from Nickelodeon television programs cruise the park, posing for pictures and entertaining children. The park is open March-October; daily hours vary. US$51.99 ages 3-61; US$34.99 seniors age 62 and older, and children shorther than 48 in/122 cm; parking US$10. 4701 Great America Parkway (take Highway 101 north to the Great America Parkway exit), Santa Clara. Phone 408-988-1776. http://www.cagreatamerica.com.