After your underground excursion, head back on the trail to view the second natural wonder. Unlike the first cave, you can’t enter Bronson Cave, but you can view it from a platform. A collapsed ...

This serial property is an unusually well-preserved and extensive epigenic gypsum karst terrain. It includes a very high density of caves: over 900 caves in a relatively small area, with over 100 km ...

Sistema Sac Actun (Mexico) – Located in the Yucatán Peninsula, it's one of the world’s longest underground rivers, connected to ancient Mayan cenotes. Lost River (USA – Indiana) – This river vanishes ...

New information: IUCN, based on information provided in “Karst Conduit”, the newsletter of the International Geographical Union Commission on Man and Karst, has reported to the Centre that while the ...

Karst Underwater Research A renowned cave diver, who set multiple cave diving records throughout his lifetime, has died while exploring one of the deepest underwater caves in the U.S. Brett ...