Views over the fells from the Grey Crag, near Grasmere, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

Views over the fells from Grey Crag, near Grasmere, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

Woman climbs on the Gemmi adventure via ferrata, Gemmi, Bernese Alps, Valais, Switzerland

Woman climbs under the viewing platform on the Gemmi adventure via ferrata, Gemmi, Bernese Alps, Valais, Switzerland

Gletscherbach flows through narrow Rosenlauischlucht, Gletscherschlucht Rosenlaui, Rosenlaui, Bernese Oberland, UNESCO World Natural Heritage Swiss Alps Jungfrau-Aletsch, Bernese Alps, Bern, Switzerland

Woman climbs on overhanging ladder on adventure via ferrata Gemmi, Gemmi, Bernese Alps, Valais, Switzerland