View at the Jungfrau, Grindelwald, Berner Oberland, Canton Berne, Switzerland

Panoramic view of the Swiss side of Monte Rosa Massif close to Riffelsee Lake (Zermatt, Canton of Valais, Visp, Switzerlan, Europe)

Chunks of ice on shore at Diamond beach near Jokulsarlon glacier lagoon, South Iceland, Iceland

A hiker at lake Manzina who has just left the Tresero and the tops of St. Matthew in the background is about to face the long climb to the waterfall. Valtellina. Lombardy. Italy. Europe

Chile, Torres del Paine, Magallanes Province. Sunrise over the peaks of Cuernos del Paine. The notable formation of contrasting igneous, sedimentary and metamorphic rocks is unique in the world.

Chile, Torres del Paine, Magallanes Province. The principal attraction of the Torres del Paine National Park is the Paine massif with its granite spires and the contrasting igneous, sedimentary and me...

Chile, Torres del Paine, Magallanes Province. The principal attraction of the Torres del Paine National Park is the Paine massif with its granite spires and the contrasting igneous, sedimentary and me...

Chile, Torres del Paine, Magallanes Province. The principal attraction of the Torres del Paine National Park is the Paine massif with its granite spires and the contrasting igneous, sedimentary and me...

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres (MR)

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres (MR)

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Torre and Cerro Fitzroy Peaks at the first light of dawn

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Torre and Cerro Fitzroy Peaks at the first light of dawn

Argentina, Patagonia, El Chalten, Los Glaciares National Park, viewpoint along hiking trail inside the park with Cerro Torre and Cerro Fitzroy peaks (MR)

Kenya, Voi County, Maktau, Tsavo West National Park. A hot air balloon rises in sight of Mount Kilimanjaro.

Greenland, Ilulissat, Underwater image of icebergs floating near face of Jakobshavn Isfjord

Aletschgletscher, Jungfraujoch, Jungfrau Region, Berner Oberland/Valais, Switzerland

Aletschgletscher, Jungfraujoch, Jungfrau Region, Berner Oberland/Valais, Switzerland

Mont Blanc Massif: a trekker is walking to the Bonatti Refuge during the Mont Blanc hiking tours (Ferret Valley, Courmayeur, Aosta province, Aosta Valley, Italy) (MR)

Sunrise over road of Berninapass, Graubunden, Switzerland

White lake at dawn in Bernina pass Graubunden, Switzerland

White lake at dawn in Bernina pass Graubunden, Switzerland

Pink flowers and Bernina group and Morteratsch glacier in background, Morteratsch, Engadine, Graubunden, Switzerland

Piz Palu, Bellavista and Piz Bernina, Bernina mountain range, Upper Engadin, Grisons (Graubunden), Switzerland

View from Rosenlaui on Rosenlaui glacier, Wellhorner and Wetterhorn, Berner Oberland, Switzerland

Jungfrau with Jungfraubahn and Monch, Bernese Alps, Berner Oberland, Grindelwald, canton Berne, Switzerland

A trekker with snowshoes walking on the winter track on Belvedere Glacier at the foot of the East face of Monte Rosa Massif. Macugnaga, Anzasca Valley, Verbano Cusio Ossola province, Piedmont, Italy.

The Grandes Jorasses at sunrise (Alp Lechey, Ferret Valley, Courmayeur, Aosta province, Aosta Valley, Italy, Europe)

Sommerwand and the Stubai Alps as seen from Lake Rinnensee, Neustift, Innsbruck Land, Tyrol, Austria

Ferry boat Portage Glacier and Portage Lake, Chugach National Forest, Southcentral Alaska, Alaska, USA

Transit of Bernina Express train at Montebello curve with view on Morterasch glacier , Canton of Graubunden, Switzerland

Aerial view on Furka pass road and Rhone glacier, Valais, Switzerland

Aerial view on the Weissmies mountain hut and Fletschhorn and Lagginhorn, Saas-Grund, Valais, Switzerland

Mountain lake at Kreuzboden with Mischabel mountain range, Saas-Grund, Valais, Switzerland

View from Kreuzboden on Saas-Fee and the Mischabel mountain range, Valais, Switzerland

Aerial view on Siplom pass, Wasenhorn and Monte Leone, Valais, Switzerland