This ice cave was one stemming from the tongue of a glacier flowing from Mount Erebus, one of the most powerful volcanoes of ...

The crew inside the Barneveld Fire Department in New York managed to escape before the building came down. More from the US.

The frigid, winter weather has provided the rare opportunity to step inside and explore stunning caves carved under the ice. Melting water from the glacier creates the twisting tunnels as it ...

"So it is cool seeing that there are still rooms inside of this cave that ... If we get lots of monsoon rain or snow melt, we can get some new growth in the cave." Exploring Colossal Cave meant ...