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 ...

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 ...

With over 400 mapped miles, Mammoth Cave National Park, just outside Bowling Green, Kentucky, is the longest known cave system in the world. The only way to see its many subterranean rooms and ...

The air is cool and damp. The light shining from behind is low and tinted, while a park ranger's hand hovers over a button. Then, a switch clicks. Light floods a chasm in the stone, a chamber called ...

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 ...