Penn’s Cave holds a title that no other attraction in the United States can claim. It is the only all-water cavern in America ...

Morgan O’Hanlon: As you’re driving through West Texas and through Balmorhea, this kind of big open desert, you get to the Phantom Springs Cave and it’s this tiny little narrow crevice.

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 ...

Ancient Handprints in an Indonesian Cave Reveal Surprising New Clues About Early Humans ...

This hidden Florida cave feels like a national park wonder, with dramatic rock formations, quiet tours, and far fewer crowds ...