Cavers have spent the past year digging mud and rock from a cavern as part of a project to open a new stretch of the underground site to the public. The cave, near Pateley Bridge in the Yorkshire ...

Europe is rich in history, but its splendid castles, antique churches, and age-old ruins tell only part of the story. To dig even deeper in time – much deeper – visit a cave. Some of my favorites, in ...

This project meant spending weeks carving a swimming pool and living space directly into a cave. Progress was slow, and every mistake became harder to fix underground. Water revealed weaknesses that ...

Archaeologists and students digging in Blätterhöhle cave uncovered a 9,000-year-old fireplace (above), flint arrowheads and a bone harpoon. Photo from LWL-AfW Olpe / Michael Baales Inside a cave of ...

Europe is rich in history, but its splendid castles, antique churches, and age-old ruins tell only part of the story. To dig even deeper in time — much deeper — visit a cave. Some of my favorites, in ...