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

The cave is one of about 275 known caves in Sequoia and neighboring Kings Canyon National Park. The park’s only publicly ...

Some 40 km away, four caves of the Shengjinkou Grottoes in Turpan also opened to the public on Saturday, set to offer 300 ...

Hang Son Doong is in Phong Nha-Ke Bang National Park in Vietnam, near the border with Laos and is the world's largest natural ...

NPCA shares the latest archaeological discovery at Mammoth Cave National Park, which has a pretty fascinating human history, too.