This giant natural cave is right below one of America's favorite theme parks (and yes, you’re allowed to explore it).

A proposed rock crusher in Burnet County, Texas, is causing concerns among thousands of landowners due to the potential ...

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

For 16 years, the Buffalo National River has denied explorers access to Arkansas’s longest cave and hundreds of others. Some ...

Cascade Caverns is a 125-million-year-old cave. It’s 65 feet deep and about a mile long, with a constant temperature of 60-63 ...

For the nature lovers out there, Hueco Tanks is a veritable buffet of flora and fauna. The park is home to a diverse array of ...