A new roof and remodeled lobby area at the Mammoth Cave National Park hotel in Kentucky were celebrated by officials to mark the end of a six-year effort to fix the original roof on the building constructed in 1965.
Mammoth Cave National Park in Kentucky, home to more than 400 miles of underground passageways, sees approximately 500,000 visitors annually. Here's the best time to visit, plus where to stay and what to do while there.