Strange things are astir at Valleyfair! On select nights, the fun takes a terrifying turn as the park transforms into ValleySCARE, the upper Midwest’s largest Halloween event. With more than 75 rides, haunted mazes, scare zones and monsters prowling the park, there is something to satisfy everyone’s devilish desire. Note: Halloween Haunt attractions are “Rated PG-13” and not intended for kids under 13 years of age.