TO OPEN EARLY NEXT YEAR. IT COULD SOON COST YOUR FAMILY MORE TO VISIT A KENTUCKY LANDMARK, MAMMOTH CAVE NATIONAL PARK PLANS TO CHARGE AND CHANGE RECREATIONAL FEES FOR CHILDREN. CURRENTLY, KIDS UNDER ...
Mammoth Cave, the world's longest known cave system, stretches 426 miles under Kentucky. The cave's limestone began forming 330 million years ago when the region was submerged under an ocean. Visitors ...
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