Twenty-year-old Leo Cahill’s two broken legs drew 30 rescuers to Parks Ranch Cave in the early morning hours of March 21.

April 19 through April 26—and it’s the perfect time to step back and appreciate the natural heritage that makes the Lone Star State so extraordinary. This ...

National parks are the best idea we ever had. Absolutely American, absolutely democratic, they reflect us at our best rather than our worst. .

Our planet holds corners so strange, so breathtakingly unlikely, they feel like fragments of a dream. These UNESCO World ...

The dream of every wanderlust-filled traveler – conquering all of the U.S. national parks in the contiguous United ...

How many of you have ever photographed the highly-ornamented cave formations within Carlsbad Caverns National Park in New ...

"The most popular trail and one that you can do on your own is the 1.25-mile walk through 'The Twilight Zone' and into 'The ...

It sounds like the start of a joke: one bag of chips walks into a cave—and leaves behind a mini ecological crisis. But that’s ...

Southwest Texas is the location of some pretty amazing parks, and I had the opportunity to visit two of them: Carlsbad Caverns National Park in New Mexico and Guadalupe Mountains National Park in ...

People might not believe it if they haven't been to Missouri, but the state, which is also known as the Cave State, is home to over 7,000 caves offering a plethora of breathtaking subterranean ...

Without trekking too far out of Melbourne, you'll find a handful of captivating grottos to light your adventurous spark — from lofty hilltop caves to underground marvels and huge limestone ... the ...