Kartchner Caverns State Park, Alabaster Caverns State Park, and Onondaga Cave State Park are some of the caves travelers can visit in the U.S.

Carlsbad Caverns is home to some of the most spectacular examples of underground geologic features found anywhere in the United States ... limestone caves carved over the course of 250 million years.

After a year of community efforts, Wakulla County secures a $3.78 million deal to protect the Chip’s Hole cave system, ...

This park's cave system offers visitors different types ... Gypsum caves, while rare, are not unheard of, even in the United States. For example, South Dakota's dazzling Jewel Cave National ...

The House budget includes $1.2 million to use drones for creating a 3D map to identify pollution sources threatening clarity ...