Deep under the Chihuahuan Desert is a natural wonder, a cave filled with beautiful giant crystals, but which also happens to be a potential death trap.

The Yampah Spring, which feeds this mineral pool, gushes over 3 million gallons ... volume of its mineral waters and the Yampah Vapor Cave, a natural steam room where hot spring water trickles ...

The caves may seem prehistoric, but the hotel is decidedly modern, offering in-room hydrotherapy spa treatments using mountain-filtered mineral ... cave suite—though Turkish baths, an outdoor ...

Kartchner Caverns State Park is known for its diversity of minerals. On March 1, park staff spotted one that's particularly ...

Photo from Wibowo, Willyanto, Dharmayanthi, Rahmadi and Lumbantobing (2025) After lowering themselves into a “vertical cave” in Indonesia, a team of cavers paused at a shallow pool.