Over 300 million years ago, in the Carbiniferous period, Fermanagh was covered by a shallow, tropical ocean. Millions of shells of tiny sea creatures fell to the ocean floor after death ...

The Marble Caves are natural rock formations with curved walls covered in swirling mineral patterns. They sit on the shores of General Carrera Lake, a glacial lake in southern Chile. The lake ...

In 1989 a period of unexpected flooding in the Marble Arch Caves prompted concern about the safety of visitors and the future of the caves as a tourist attraction. The cause of the flooding was ...

From time to time it’s possible to visualise places so clearly in your mind’s eye that you feel like you’re actually there. Perhaps that ...