The Blue Ridge Parkway, the Olympic Peninsula Loop, and Utah's Mighty Five are some of the best routes in the USA for a national park road trip.

The cave and its multiple branches are among 550 that crisscross a fragile, sinkhole-prone geologic region renowned for Carlsbad Caverns. Standing in the inky depths of Parks Ranch, I cannot see ...

Guano. If you look into the history of Carlsbad Caverns, you will most likely come across this term. In fact, some of the early visitors to the large underground cave system once descended into the ...

The animals that plummeted 85 feet into Wyoming’s Natural Trap Cave provide a layered history of life dating back to the ...

The Natural Bridge Caverns are home to the biggest commercial cave system in Texas. Above-ground adventures include zip lining, a rope course, a maze, gem mining, shopping and dining. But the ...

Photos and story by Adrian HeddenCarlsbad [email protected] Downtown Carlsbad’s historic Cavern Theater ...

Some microbes happily thrive in unforgiving environments. An extremophile hunt is underway to leverage their resilience ...