with over 119 caves formed from limestone. The Big Room, the largest chamber, boasts incredible formations like stalactites and stalagmites that resemble frozen waterfalls. Visitors can opt for a self ...

Researchers use a portable fluorescence spectrometer to analyze the glowing formations in underground caves. Now, researchers ...

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...

Kayaking through cavern systems is one of the most unique adventures anyone can experience. The thrill of exploration ...

It was nearly two decades after settling in Snake Valley, Nevada, as a rancher in the 1860s when Absalom Lehman made a startling discovery close to his property. Some accounts say Lehman felt a ...

One of the city's more unique attractions, the 100-acre Louisville Mega Cavern, which was created out of a 19th-century limestone quarry, now houses the world's only underground zip line course.