It is clear we are all passionate about these caves. You really couldn’t get a better place to work.” Formed over 330 million years ago, the Marble Arch Caves are a labyrinth of passages ...

“Jimbo Cave was an ice formation in Ushuaia that created a very nice natural tunnel, and a few hours ago it finally collapsed (how lucky were those who were able to see it in person).

Oliver Bowerman, 26, spent his childhood playing in the underground network of caves known as the Stump Cross Caverns, in the Yorkshire Dales. Mr Bowerman’s parents, Lisa and Richard ...