In the dank depths of Ellison’s Cave, you can find two of the deepest freefall pits in mainland US: Fantastic Pit, which ...

In places where the limestone was weak, the ceiling collapsed into sinkholes ... the “crow’s cave,” plunges 7,188 feet in the western Caucasus Mountains of Georgia. But for giant passages ...

Located in Abkhazia, Georgia, the Veryovkina Cave has a depth of 2,212 metres, making it the world’s deepest cave. It was first discovered in 1968 by cavers from the Russian city of Krasnoyarsk.

but cover-collapse sinkholes can appear in just a matter of hours and are triggered in roughly the same way as their slower-growing counterparts—collapsing when the roof of a cave becomes too ...

Kentucky’s bats deserve better.” The path of the proposed pipeline in eastern Bullitt County is laced with abundant karst caves and sinkholes, making it likely that listed bats use the project area as ...

Marina stood at the mouth of the Rising Star cave and looked inside. Outside, it was the rainy season in this grassland part of South Africa, home to jackals and porcupines and cobra snakes and ...

The proposed pipeline’s path in eastern Bullitt County is laced with abundant karst caves and sinkholes, making it likely that protected bats use the project area as habitat. Known sinkholes in the ...

Beneath the surface of the Bahamas' waters lie a plethora of reefs, underwater caves and sinkholes teeming with aquatic animals, such as stingrays, sea turtles, dolphins, sharks and giant grouper.