Located in Central Kentucky, Mammoth Cave National Park is a UNESCO World Heritage Site and an International Biosphere Reserve. It is home to the longest known cave in the world and features over 400 ...

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 ...

Like many places, Mammoth Cave—Kentucky’s only national park and the world’s longest cave system—saw its visitation hit hard by the COVID-19 pandemic. In 2019, more than half a million tourists ...

Mammoth Cave has been captivating imaginations for thousands of years. “Obviously, the geology is amazing. It's what (first) brought people here and what brings people back to study this region,” said ...