Located in Guilin, Guangxi, this cave is known for its colourful lighting and stunning stalactites and stalagmites. It's often referred to as the "Palace of Natural Arts" because of its intricate ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

That gust of cool air is what led two National Park Service employees to stumble upon Crystal Cave while fishing at a nearby ...