Mammoth Cave and Great Smoky Mountains National Parks Move your pointer over any of the "thumbnail" pictures on the right side below to display a larger size of the image. When you do point over an image, you will also see a brief description about that picture. For each map image, be sure to spot our "friendly hiker" to see where Msgr. Mark has been. Picture 1 Msgr. Mark visited Mammoth Cave National Park located in central Kentucky, which is the longest cave system known in the world. |