Owner of popular Pennsylvania amusement park turning 100 had to ‘pinky swear’ to never charge admission

Knoebels is celebrating its 100th year in operation this summer — and will continue to have free admission, its owner says

Knoebels is celebrating its 100th year in operation this summer — and will continue to have free admission, its owner says

Knoebels is celebrating its 100th year in operation this summer — and will continue to have free admission, its owner says