Just three years ago, a group of Idaho men traveled to an unnamed Western state and in an unnamed range of rugged mountains, hiked up a steep trail. At the top, they unraveled climbing ropes, stepped ...

Crystal Cave in Sequoia National Park is reopening for guided tours after a four-year closure due to natural disasters. The cave, formed in 200 million-year-old marble, features unique geological ...

The cave of Diros on the Peloponnese peninsula is a wonder of nature where an artistic miracle has been sculpted in the ...

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While we are blessed with abundant mountain peaks and canyons, there is one ...

Juneau, the capital of the Last Frontier, serves as a gateway to some of Alaska's most spectacular hidden gems, including the ice caves in the Mendenhall Glacier. Formed about 3,000 years ago during ...

Cotard, a small limestone cave that has been hidden for tens of thousands of years. The Loire Valley is famous for its ...