Highway running aong Pukaki lake and leading to Mount Cook (Aoraki), Canterbury, South Island, New Zealand

Highway running aong Pukaki lake and leading to Mount Cook (Aoraki), Canterbury, South Island, New Zealand

Khumbu Valley, Nepal. The Khumbu Glacier with from left to right the peaks of Khumbutse, the West Shoulder of Mount Everest and Nuptse.

Ama Dablam, Nepal. The stunning pyramid of Ama Dablam at 6812m is regarded as one of the world's most exquisite and sought after peaks.

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, tents and prayer flags at Everest Base Camp

Young couple running out of ocean with bodyboards, Brighton beach, Perth, Western Australia, Australia (MR)

Young couple sitting on bodyboards, Brighton beach, Perth, Western Australia, Australia (MR)

A man tosses a rope in preparation to start a climb in the Grand Canyon in Arizona.

Man bouldering on an overhang.

Heli-hiker, Franz Josef Glacier, West Coast, South Island, New Zealand

Tourists, Monument made of salt blocks, Salar de Uyuni, Uyuni, Department Potosi, Bolivia, South America

Highway running aong Pukaki lake and leading to Mount Cook (Aoraki), Canterbury, South Island, New Zealand

National Paragliding Championship, Larouco Mountain, Montalegre. Tras os Montes, Portugal

Europe, France, Haute Savoie, Rhone Alps, Chamonix, climber on Domes des Miages ridge and Mont Blanc (4810m) MR

Everest Base Camp Trail, Nepal. Pumori at 7161m, as seen from the Everest Base Camp Trail.

Everest Base Camp Trail, Nepal. The West Face of Nuptse, as seen from the Everest Base Camp Trail.

Khumbu Valley, Nepal. En route from Lobuche to Gorak Shep, with the peaks of Pumori, Lingtren and Khumbutse ahead.

Ama Dablam, Nepal. Trekkers descending from Ama Dablam Base Camp with Taboche peak, 6595m, in front of them.

Thame, Nepal. Trekkers en route between Mende and Thame, with Kongde Ri peak as backdrop.

Namche Bazaar, Nepal. Trekkers en route from Namche Bazaar to Mende, with Kongde Ri peak looming above

Group of adventurous tourists on camels on an excursion in the Akkakus Mountains, Sahara, Libya, Africa

Slovenia, Soriska Planina. Paragliding from the slopes of Soriska Planina.

Norway, Arctic, Svalbard, Spitzbergen, Liefdefjorden. Visitors in kayaks paddle in brash ice past the magnificent Monaco Glacier which lies at the end Liefdefjorden, northern Spitzbergen.

Grand Canyon National Park, Arizona, USA. Rafts through rapids.

Australia, Sydney, New South Wales, tourists stand on a platform outside of the Sydney tower on the Skywalk

Australia, Sydney, New South Wales, tourists jump of joy from outside of the Sydney tower on the Skywalk

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, climbers above Lhotse, 8516m, and Makalu, 8462m, 4th and 5th highest mountains in the world

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, sunrise on Lhotse, 8516m, and Makalu, 8462m, 4th and 5th highest mountains in the world

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, a line of climbers on the Lhotse Face

Colorado, USA: Ice Climber And Mountaineer Poses For A Portrait At Hidden Falls.

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, climbers on the Lhotse Face

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, climbers walking below Nuptse making their way to camp 2 on Mt Everest

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, tents at Camp 1 on Mt Everest

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, tents at Camp 1 on Mt Everest

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, the Khumbu icefall on Mt Everest, climbers crossing ladders over a crevasse

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, ice pinnacles near Everest Base Camp