Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

We set out to explore what might be the biggest river cave we’ve ever seen, and this adventure quickly turned into one of the craziest expeditions we’ve filmed. With permission to park near the cave ...

Ben Gunn's Cave isn't the only destination in Scotland that is said to have inspired Stevenson when he was writing Treasure ...

A cave diver's paradise, the Bahamas is home to an extensive network of life-sustaining underwater caverns chock-full of ...

Speleothem archives of Quaternary palaeoclimates are dependent on an understanding of the transfer of the surface climate signal to the cave. The nature of unsaturated zone water flow in ...

Curious divers on South Australia's Limestone Coast are hoping to one day be able to dive into one cave and come out another, after discovering an underground tunnel.

the elusive Peck's cave amphipod depends on steady spring flows and clean water for survival. Before the aquifer was drilled full of wells, the flow from the springs equaled the water that recharged ...

A fast flowing river flows inside this cave ... During the rainy season, this cave is filled with water and it is difficult to enter it. There are two large sinkholes in this cave, which work ...