I was excited to discover that Penn's Cave is still open and offers the same boat tour that the Keene family went on many years ago Penns Creek arises out of one end of a large cave hidden under a cornfield. It simply wells up, full blown, almost frighteningly, from somewhere underground. Several times when our girls were young we went to see Penns Cave and take a ride through it by boat. The boat was carried along on the water by that incredible fountain arising from out of