I paused to watch them scatter over a rise, leaping through a cluster of the prickly lechuguilla bushes for which the cave was named ... in a myriad of forms: crystals, flakes, flowers, spikes ...

Imagine a cave where the walls are covered with huge, sparkling crystals, some as big as trees. This isn’t a scene from a ...

The Cave of Crystals is an underground cavern filled with tree-size gypsum crystals, including some of the largest natural ...

Among them, the pristine Lechuguilla Cave and the famed Carlsbad Cavern, home to one of North America's largest underground chambers. But there's more to this subterranean world than gigantic ...

Lechuguilla Cave at Carlsbad Caverns is the deepest limestone cave in the country, and the fifth-longest known cave in the world. Read more about Oil and Gas Development Delayed Near Carlsbad Caverns ...