Sister Josephine, left, and Sister Anna, right, watch as Sister Maria Angeline hops through the hopscotch diagram in the parking lot behind St. Nicholas Church in Wilkes-Barre on a recent afternoon.

Hopscotch diagrams taped to the floor of the Du Page County Historical Museum seem to have a curious effect on visitors. ”The funny thing is everybody comes in and tries it,” said Susan Stob, museum ...