Brienz Rothorn train at Brienzer Rothorn mountain, Brienz, Bernese Oberland, Switzerland

Bera Bach in the isolated Carneddau Mountains of North Wales , Snowdonia National Park (Eryri), North Wales, United Kingdom

Couple at peak of Niesen mountain, Canton of Bern, Switzerland

The summit with vibrant red maple leaves, Mount Fujiyama (Mount Fuji), UNESCO World Heritage Site, iconic volcano in autumn, Honshu, Japan, Asia

View of snow covered Aosta Valley, mountains and Skyway Monte Bianco cable car in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

Aerial of the Tousside peak above Trou du Natron, Tibesti Mountains, Chad

Vibrant sunrise at Five-storey pagoda, Chureito Pagoda, overlooking Fujiyoshida City and Mount Fuji volcano, Fujiyoshida, Honshu, Japan, Asia

Autumn maple leaves with view over town of Fujiyoshida to Mount Fuji, iconic volcano and UNESCO World Heritage Site, Fujiyoshida, Honshu, Japan, Asia

Mount Fujiyama (Mount Fuji), UNESCO World Heritage Site, iconic volcano in autumn with red pagaoda framing the summit, Honshu, Japan, Asia

View of snow covered Aosta Valley and mountains from Pavillon du Mont Frety in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

View of Skyway Monte Bianco cable car station at Pavillon du Mont Frety and Aosta Valley in winter, Courmayeur, Aosta Valley, Italian Alps, Italy

Partial View of Mount Denali (Mount McKinley) in Denali National Park, Alaska, United States of America

Mount Fujiyama (Mount Fuji), UNESCO World Heritage Site, iconic volcano in autumn, Honshu, Japan, Asia

Forest slopes in front of the summit, Mount Fujiyama (Mount Fuji), UNESCO World Heritage Site, iconic volcano in autumn, Honshu, Japan, Asia

Mountain landscape on Kilimanjaro, 5895 metres, UNESCO, highest mountain in Africa and one of the Seven Summits, Tanzania

Monte Cucco at sunset, Gubbio, Umbria, Italy

Crucifix with Matterhorn in the background, Zermatt, Canton Valais, Switzerland

Nevado Ausangate mountain in the Andes, Pitumarca District, Cusco (Cuzco) Region, Peru, South America, South America

Mount Fujiyama (Mount Fuji), UNESCO World Heritage Site, iconic volcano in autumn, Honshu, Japan, Asia

The 2282m Pena Foratata, not the highest but most iconic peak in the upper Tena Valley, Sallent de Gallego, Pyrenees, Huesca, Spain, Europe

The Castle, an iconic sandstone peak forming part of the Waterpocket Fold, autumn, Fruita, Capitol Reef National Park, Utah, United States of America, North America

The Castle, an iconic sandstone peak forming part of the Waterpocket Fold, autumn, Fruita, Capitol Reef National Park, Utah, United States of America, North America

The Matterhorn, Switzerland, Europe

Mount Fitzroy and Cerro Poincenot at dawn from Mirador Condores in Parque Nacional Los Glaciares near El ChaltÈn, Patagonia, Argentina.

Teide, volcanic rock formations, and retama (Spartocytisus supranubius) in Teide national park, Tenerife, Canary Islands, Spain

Mount Fitzroy and Cerro Poincenot at sunrise from Mirador Condores in Parque Nacional Los Glaciares near El ChaltÈn, Patagonia, Argentina.

Mount Fitzroy and Cerro Poincenot at sunrise from Mirador Condores in Parque Nacional Los Glaciares near El ChaltÈn, Patagonia, Argentina.

Teide and Roque Cinchado, in Los Roques de Garcia, volcanic rock formations in Teide national park, Tenerife, Canary Islands, Spain

Teide, volcanic rock formations, and retama (Spartocytisus supranubius) in Teide national park, Tenerife, Canary Islands, Spain

Mount Moran and the Teton Range from Oxbow Bend on the Snake River in Grand Teton National Park, Wyoming.

Three Bells of Fira, Iconic blue-domed church and belfry with sea view, Catholic Church of Dormition, Firostefani, Santorini, Greece, Europe

A mountaineer rappels down Cerro Torre's south east ridge in the early morning, after an ascent of the peak in Argentine Patagonia. Cerro Torre is one of the most difficult and iconic peaks in the Southern Andes, and is a highly sought after summit by the worlds top alpinists, Argentina

A mountaineer climbs Cerro Torre's northwest face, with the southern Continental Icecap in the background, in Argentine Patagonia. Cerro Torre is one of the most difficult and iconic peaks in the Southern Andes, and is a highly sought after summit by the worlds top alpinists, Argentina

Denali National Park and Preserve as seen from Peters Hills with 20320' Mount Denali, formally know as Mount McKinley, and the Alaska Range, Trapper Creek, Alaska, United States of America

A beautiful volcanic mountain scene with wispy clouds and blue sky is accented in late evening light behind a field full of lupine wildflowers, Iceland

Kirkjufell mountain and it's mirror image in water, near Grundarfjordur, Snaefellsnes, Iceland, Iceland

Icelandic horse in the rugged landscape of Iceland, Iceland

Water Tower detail Chicago Illinois USA