Gorges de l'Areuse, Switzerland The Val de Travers is a Jura mountain valley perpendicular to the main valleys (hence the name). The river Areuse has cut itself steeply through the soft limestone and clay sediments. It's one of those Roman bridges too.
Melissani Cave, on Kefalonia Island in Greece, features a sky-blue lake within the cave. The lake is shallow and clear, and is covered with stones at the bottom. The cave was rediscovered in (In Greek mythology, Melissani was the cave of the nymphs.
Snowdonia, Wales ♥ ♥ Snowdonia (Welsh: Eryri) is a region in north Wales and a national park of 823 square miles in area. It was the first to be designated of the three National Parks in Wales, in 1951 and it's the home of The Celtic Herbal Company