Founded in 1878 as a simple picnic ground along the Ligonier Valley Rail Road, Idlewild & SoakZone is the oldest amusement park in Pennsylvania, third-oldest in the United States and has been rated the second best kid's parks in the world by Amusement Today magazine for two consecutive years. Idlewild features seven fun theme areas such as SoakZone Waterpark, Story Book Forest and Mister Rogers' Neighborhood of Make-Believe.