During periods of lower sea level, when caves were dry, stalagmites and stalactites ... geologic structure of the inland blue holes—deep, dark, sheltered, with little tidal flow—specialized ...

This achievement marks the culmination of a multi-year effort by park staff and the local community, to restore and enhance ...

Scotland's Fingal's Cave in the inner Hebrides islands is also called the "Cathedral of the Sea," and is a wondrous art inspiring cave you can walk through.

Dark Star’s passages are deep underground, yet many are 10,000 feet above sea level. The thin air at that altitude ups the physical challenge of negotiating the cave. Two days later I am at the ...

A cache of four excellently preserved Roman swords have been discovered by Israeli researchers in a cave overlooking the Dead Sea. Three of the 1,900-year-old weapons, whose iron blades are 60 ...