Then, long buried under later deposits, the dead reef became limestone, the ideal stone for caves. A natural collapse just inside the entrance pit had blocked Lechuguilla for thousands of years ...

Legend has it that the spring water within this cave boasts remarkable curative abilities, a belief lending the name to the ...

The cave has been visited for centuries with people leaving crutches behind as sign of their miraculous recoveries.

NAGO, Okinawa Prefecture--A treasure trove of rare limestone structures has been found in a small cave system on Nagashima ... where the lime content is left to deposit. The latest study showed ...

“There,” said the schoolmaster, pointing to the monolithic limestone wall ... in speleothems—mineral deposits called stalagmites and stalactites that rise from cave floors and descend ...

These deposits form the stalagmites ... The stalactites and stalagmites make these really dramatic limestone features inside caves. Look!

MINE, Yamaguchi Prefecture—LED lights installed to illuminate spectacular natural formations in one of Japan’s largest limestone caves are turning ... over millennia by deposits of lime ...

The cave, which is mostly made up of Greenbrier Limestone dating back to the Mississippian ... During the Civil War, parts of ...