Floyd Collins squeezed himself inside Kentucky's Sand Cave in hopes of exploring its caverns and turning it into a tourist ...

Scientists say Vallis Schrödinger and Vallis Planck—dramatic trenches near the lunar south pole—were carved in a blast that ...

Trovants in Romania grow by absorbing minerals from rainwater Found near Costești, they expand and form ‘baby’ rocks Myths claim trovants are dinosaur eggs or alien formations ...

Pinnacles National Park has caves, condors, and plenty of hiking trails. Here’s what you need to know to have a great winter ...

A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

Nestled in the heart of Tuscumbia, Alabama, Rattlesnake Saloon is the kind of place that makes you do a double-take. It’s not ...

Nestled under a massive natural rock formation, Rattlesnake Saloon is the kind of place that makes you do a double-take and ...

Explore this unique village in Spain nestled within a rocky mountain. While wandering the idyllic streets, you'll be ...

As night fell across western Thailand, a “long”-limbed creature emerged from the rocks and took up its perch. Its “large” eyes scanned the landscape, but it wasn’t the only one looking around. Nearby ...

Archaeologists discovered ancient Roman inscriptions and a 1,900-year-old coin wedged between rock formations while exploring ...

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...

The team ventured into the partially flooded cave as part of an ongoing research project. See what they found inside.