Welcome to the world’s deepest sleep—a hotel 1,375 feet underground, accessible only by hike, zip line, and flooded chambers. Deep Sleep is located in a disused Victorian slate mine below Snowdonia in ...

Opened in 1846, the quarry boomed during the Industrial Revolution, when a 17,000-strong workforce extracted half a million tons of the gray rock per year to export across the globe. Today, only above ...

At check-in, guests receive a hard hat, head lamp, boots and a mountain guide. The journey — about 1,400 feet underground to the world's deepest hotel in the north Wales region of Snowdonia — takes ...

This new thrill ride from Go Below Underground Adventures sits in an abandoned slate mine 375 meters beneath the mountains of Wales' Snowdonia National Park. It became the deepest zip line in the ...

Hard hats, flashlights, and hiking boots aren’t the type of toiletries one is used to receiving at their overnight accommodations, but visiting the world’s deepest hotel isn’t your usual retreat.

When most people think of Eryri (Snowdonia), they picture the long queues to the top of Yr Wyddfa (Snowdon). But ...

A Lake District mine that has featured in multiple television programmes has introduced tourists to its captivating spectacles. The Honister Slate Mine has drawn attention from across the country for ...

Collyweston slate can be found on grand, famous buildings – including Cambridge University's King's, Clare and Christ's colleges. The mining of this slate has an incredibly long history. According to ...

Ian Lee is a CBS News correspondent based in London, where he reports for CBS News, CBS Newspath and CBS News 24/7. Lee is a multi-award-winning journalist whose work covering major international ...