Down in the inky depths, past its famous limestone arch, lies one of Fermanagh’s iconic natural wonders: the Marble Arch Caves, which in May celebrated its 40th anniversary of being open to the public ...

This is the fourth installment of Edmonds resident Nathaniel Brown’s recent travels to Greece. You can read part 1 here, part ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

The centerpiece is the stunning 3,720-square-foot lodge featuring timbers sourced from a historic train station ...

Billionaires are building ultra-luxury doomsday bunkers that rival five-star resorts with lavish amenities beneath the earth.

If you're looking for a family vacation that involves crawling through caves, hiking underground suspension bridges, or zip ...

That gust of cool air is what led two National Park Service employees to stumble upon Crystal Cave while fishing at a nearby ...

And tucked away in the southwestern corner of Missouri, in the small town of Noel (pronounced “Nole,” not like Christmas), Bluff Dwellers Cave stands as one of the most spectacular examples of ...

Itching to try out a new camera or lens but it's pouring with rain? Head underground and discover the delights of the subterranean world.

Researchers from Johannes Gutenberg University Mainz (JGU), the University of Oxford, and the University of Innsbruck have ...

The southwestern corner of Missouri might not be where most people imagine finding a portal to another world. But there it sits, tucked away in the town of Noel (pronounced “Nole,” not like Christmas) ...

A big mystery is why the ridges were hardened into these big patterns and why only here,” said Ashwin Vasavada, project scientist for the NASA Curiosity rover, following the mission publishing the ...