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

From surreal limestone formations to crystal-clear rivers, Vietnam’s natural landscapes are a sight to behold. This journey ...

Some accounts say Lehman felt a cool breeze coming out of the ground, leading him to find the entrance to a spectacular cave ...

Share; Print; In Depth › Science Features. The mystery of the Nullarbor Caves. Limestone caves are usually formed by dripping water, so how did these giant caverns come to be created in the ...

Malaysia proudly boasts plenty of karst regions, namely in Perak’s Kinta Valley, Langkawi in Kedah, Sarawak’s Gunung Mulu ...

Coronado Cave is a limestone cave in Coronado National Memorial in southern Arizona, near the U.S.-Mexico border. It's about 600 feet long, with a main chamber and several smaller side passages.

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

Cincinnati Museum Center’s replica limestone cave reopens this week after a two-and-a-half-year hiatus due to the COVID-19 pandemic and maintenance.

The cave walls are 18-feet thick and made of tufa limestone. The cave was formed more than 25,000 years ago via glacial drifts on Lake Michigan, according to the resort.

Inside the hole was a marvel – a limestone cave filled with formations so beautiful cave explorers dubbed it the Crystal Paradise. (Many of the explorers were members of York Grotto, a local ...