Brave divers have attempted to identify the source of the mysterious Fosse Dionne spring in the heart of France's idyllic ...

Visitors will be able to enjoy a half-mile loop through the narrow passages and steep sections of the stunning marble cavern ...

Spectacular rock formations and fascinating plays of light and shadow: with their thousand-year-old stalactites and underground lakes, the caves on Mallorca's east coast form an extraordinary mineral ...

Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...

The House budget includes $1.2 million to use drones for creating a 3D map to identify pollution sources threatening clarity ...

Traverse 330 steps on the way to such distinctive chambers as the “Devil’s Kitchen” and the “Crystal Vault.” Wild caving ...

Crystal Cave includes more than 3 miles of surveyed passageways, carved by water over roughly a million ... the Sierra Nevada range — and an underground stream runs alongside much of the cave ...

The calcites grew underground, fed by the manganese-rich water. Sebree believes that when these rocks shattered, since calcite is weaker than the limestone also comprising the cave, the calcite ...

A look at why Wakulla Springs water could be at risk for gas contamination Budget includes millions to buy land above cave to protect Wakulla Springs from gas station Underground river in Leon ...