Train of cogwheel railway at Schynige Platte, Jungfrau Region, Bernese Oberland, Switzerland

Stele in memory of guide Sepp Innerkofler, 1865-1915, near A.Locatelli-S.Innerkofler refuge, Three Peaks Nature Park, Dolomites, South Tyrol, Italy

Ice Climbing in Pyha, Lapland, Finland

In the foreground signpost to the pass summit of the highest navigable alpine pass Col de l'Iseran 2764 2770 metres high, Iseran Pass, Iseran, below direction signs to Lanslebourg and Bourg Saint Maurice, in the background chapel Chapelle Notre-Dame-de-Toute-Prudence, Col de l'Iseran, departmental road D902, Route des Grandes Alpes, Département Savoie, Region Auvergne-Rhône-Alpes, Graian Alps, France

Glacier campsite with illuminated tents at Mount Shuksan, North Cascades National Park, Washington State, USA

A man ascending a mountain.