Colorado is known for its mountain trails, but it also offers other natural beauties in the forms of caves, caverns, and waterfalls for southern Coloradans looking to get outside. From magnificent ...

Sulfuric acid drips from the ceiling of a cave in Steamboat Springs, Colo., and the air is so full of toxic fumes, people are typically forbidden to go inside. Aaron Scott, the co-host of NPR's ...

Unusual parts of Colorado's landscape have joined rare ranks. The U.S Department of Interior has named Glenwood Caverns and Iron Mountain Hot Springs as a combined national natural landmark. The ...

Despite hopes that recent media coverage may have helped change their minds, regional U.S. Forest Service officials still appear poised to close all caves on national forests in Colorado and nearby ...

The Bureau of Land Management will continue to allow public access to caves on lands it manages in Colorado, but caves could close if a fungal disease fatal to bats is detected within 100 miles of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER (KDVR) — One family found a new ...