Stepping onto the natural waterslide at Slide Rock State Park, just outside Sedona, Arizona, I had to suppress a squeal. The ...

Looking for blind cavefish in San Luis Potosí, biologist Luis Espinasa and his team accidentally found the remains of giant ...

Lale chats with her colleagues about putting together “Seeking Quiet,” a collection of stories that highlights out quest for ...

Two streams – Camp Creek and Mash Fork – converge in this park, creating a water lover’s paradise of cascades, pools, and ...

Audra State Park is home to one of the best natural swimming holes in West Virginia. Come make a splash!

Watch as we create an incredible underground cave featuring a platinum-inspired waterslide leading to a secret swimming pool! But that’s not all—we also build a private underground living room, making ...

Luray Caverns is one of Virginia's most prized natural wonders. I visited a few years ago and didn't tour the caverns, but ...

Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...

Welcome to one of our most incredible underground builds yet! In this project, we construct a platinum-inspired swimming pool hidden inside a hand-dug underground cave, complete with a beautifully ...

Ohio is home to more than 400 natural caves and caverns ... Lower Falls and the Devil’s Bathtub, a swirling pool carved into the sandstone. Ash Cave, the largest recess cave in Ohio, is even ...

From zip-lining over the forest to hiking scenic trails and exploring deep caves, there are plenty of exciting ways to discover this scenic corner of Ohio. Ohio's Hocking Hills is teeming with ...

Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos and is the world's largest natural cave. It has a fast-flowing subterranean river and is the largest ...