Figure R5 Groundwater aquifers in the Daly region Figure R6 Cross-section diagram of groundwater aquifers in the Daly region Figure R6 shows a cross-section of the aquifers of the Daly region. Both ...

Traveling around Eagle County, it is easy to wonder about the interesting geological features that dot the landscape. While ...

While exploring a huge abandoned limestone mine, we came across something unexpected - a natural cave system branching off deep below the surface. Twisting passages, underground chambers, and eerie ...

While exploring a massive limestone mine, we stumbled upon something totally unexpected – a natural cave system hidden within the man-made tunnels. In this video, we follow the path from rough ...

Imagine rowing through a cave system with limestone formations that resemble everything from mushrooms to cathedrals, all while listening to the echoes of birds and bats above.

New Mexico geologist and author Magdalena Sandoval Donahue discusses the interesting geology of the Santa Fe National Forest ...

Mammoth Cave National Park is Kentucky's only national park, but it isn't the state's only cave open to the public.

Archaeologists Were Exploring a Cave—and Found 100 Prehistoric Structures Experts believe the modified stalagmites are evidence of a planned occupation of the caves by ancient societies.

An underwater research team is giving us our first look at what lies below the surface of Weeki Wachee in an extensive underwater cave system.

A man who went missing five weeks ago in south-western France has been found alive in an underground cave system where he had got lost. Jean-Luc Josuat-Verges, 48, told police he survived by eating ...

This largely underdeveloped limestone cave features a diverse range of geological features including stalactites, stalagmites, flowstones, and soda straws. Only seasoned cave explorers are encouraged ...