Cave tour operations at Mammoth Cave National Park are closed, according to an alert on the National Park Service website. Other areas within the park “remain as accessible as possible,” the website ...

MAMMOTH CAVE NATIONAL PARK, Ky. - Blasts of cool air offered a welcome reprieve from the scorching summer as a tour group descended into the depths of the world’s longest-known cave. Some visitors ...

The ongoing federal government shutdown shuttered Mammoth Cave National Park's guided cave tours in October, but there is still a way to make a trip out of the popular tourist destination in ...

Mammoth Cave National Park in Kentucky is home to the world's longest-known cave, which stretches over 400 miles in length. While exploring the cave system on guided or self-guided tours is a popular ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Cave tour operations at Mammoth Cave National Park are closed, according to an alert on the National Park Service website. Other ...