This cave descent is the kind that rewires your idea of fear because you’re not just exploring a tunnel, you’re entering a ...

Missouri’s drinking water has an unlikely guardian: a tiny endangered fish found only in Perryville’s cave system.

The Missouri Department of Conservation and Ozark Land Trust have partnered to get 80 acres of land near the city of ...

Peeling back the layers of our Earth’s crust, scientists have unveiled an astonishing underground realm in the United States. This monumental subterranean labyrinth promises not only breathtaking ...

MEXICO CITY – A pair of cave divers said Monday they have found subterranean passages in Mexico's Yucatan peninsula that constitute the world's longest underwater cave system. British cave diver Steve ...

A drought in Missouri’s Ozark region has exposed caverns not seen in decades, part of an ancient cave system that played a key role in the Civil War. Kevin Bright, owner of the Smallin Civil War Cave ...

This is an archived article and the information in the article may be outdated.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. SAN DIEGO — Southern California is home to ...

Missouri conservation groups have acquired land to provide new protections for the Grotto Sculpin, an endangered fish found ...

Discover a surreal Florida trail where vanishing streams, hidden caverns, and massive sinkholes create an unforgettable ...

Explore the Michigan cave buried under a long-forgotten town, where twisting tunnels and lost history create an atmosphere of ...

Staff at Carlsbad Caverns National Park are faced with an unusual challenge if a staircase collapses or a trail must be repaved hundreds of feet underground. They must make needed repairs and ...