Mammoth Cave National Park in Kentucky is a wonderland of underground adventures and breathtaking natural beauty. Explore the world's longest cave system, with over 400 miles of stunning underground passageways and chambers. Above ground, hike through lush forests, spot wildlife, and take in stunning views of the Green River Valley. The park also offers kayaking, camping, and horseback riding opportunities. Don't miss the chance to experience this unique and unforgettable destination!