Tennessee is home to an astonishing 20% of the caves in the United States, but this destination might just be the most ...

Gypsum caves, while rare, are not unheard of, even in the United States. For example, South Dakota's dazzling Jewel Cave National Monument is rich in gypsum crystals .

Travelers look beyond the usual summer spots that are cooler than the beach, with underground attractions and cavern escapes ...

One of Russell's biggest discoveries was the Huautla cave system in the southern Mexico state of Oaxaca in 1966. Sistema Huautla was known as of 2018 to be 53 miles long and have 25 distinct ...

About 150 shark fossils from 15 to 20 different species have been found in a cave system in Kentucky, ... the period has been separated into two “times” in the United States. One was the ...

A well-known record-setting cave diver with decades of experience died in Texas while exploring one of the deepest underwater cave systems in the nation. Brett Hemphill, 56, was on an expedition ...

STONE COUNTY, Ark. — Stone County, Ark. is home to one of the, if not the most glorious cave systems in the United States. The Discover Arkansas team made the trip to check out Blanchard Springs ...

Located in the interior of Tennessee, one of the most enigmatic regions of the United States, there is a cave that has taken the breath away from those who dare to venture into its dark passages ...