Adventureland
Altoona (near Des Moines)
(800) 910-5382
Iowa's biggest park offers three wooden roller coasters and one steel roller coaster amid its 100 rides and shows. Also includes a campground and a hotel.

Arnold's Park
Arnolds Park (in the northwest corner of the state, near Minnesota)
(712) 332-2183
Delightful, traditional turn-of-the-century park includes the circa-1927 Legend wooden roller coaster.