The discovery, announced on Monday, was made about two weeks ago. The location of the cave is being kept secret. The spelunkers had explored the cave for several hours before happening on the ...

Stretching over 5.5 miles of explored and mapped passageways, the caverns continue to surprise spelunkers with new discoveries, making it one of the most geologically active caves in the South.

Oregon Caves National Monument Could Get Bigger. In October, you can check out a haunted candlelight tour, and in the summer, local guides lead off-trail tours, where you can squeeze yourself through ...

"Kartchner Caverns" depicts the true story of the discovery of long underground limestone caves in southern Arizona by Gary Tenen and Randy Tufts, two amateur spelunkers fresh out of college. While ...

The bits turn to clumps, affecting the cave’s formations and harming its denizens. Enter “lint camp,” sleepaway camp for speleologists, spelunkers, cavers, and good-natured hangers-on. Every year, ...