Hidden in an abandoned slate quarry in the Eryri (Snowdonia) National Park lies a "secret swimming spot". The Blue Lake is located near Fairbourne, Gwynedd and is described as a "hidden gem" by ...

Megalosaurus, an apex predator in the Middle Jurassic, was the first dinosaur to be scientifically named and described in 1824 from fossils found in slate quarries in the village of Stonesfield.

But it’s below the surface where the real magic lies. Since the Gwynedd slate quarry closed in 1960, rain and underwater springs have filled it 19 metres deep, trapping in time old buildings and ...