Step off the desert trail and into Arizona’s longest cave, where crystal formations and subterranean wonders await.

CARLSBAD, N.M. (KRQE) — The Carlsbad Caverns are a New Mexico gem located in the Guadalupe Mountains. It’s one of over 300 limestone caves, with a fossil reef stemming from approximately 265 million ...

LOUISVILLE, Ky. (WDRB) -- Louisville Mega Caverns recently opened its reimagined Historical Tram Tour, an underground ride it calls a "journey through the hidden depths of Louisville's rich past." The ...

MEXICO CITY (AP) — Activists in Mexico have published photos of steel and cement pilings from a government project that were driven directly through the roofs of sensitive limestone caves on the ...

Cambodia's Ministry of Environment, in collaboration with Fauna & Flora-Cambodia Programme, on Monday (Jan 12) released ...