Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America

A view of the upper and lower Mitchell Bay waterfalls, Kimberley, Western Australia, Australia, Pacific

Coastal landscape at Ponta do Gabriel on the Portuguese Atlantic island of Porto Santo. The mountainside has slid away revealing signs of volcanic activity.

Geothermal activity, Sulphur mud, volcanic activity, Valley Of Uzon, Valley of Geysers, Petroavlovsk, Russia, Asia

Woman climbing on basalt columns, Halsanefshellir cave, Reynisfjara beach at Vik i Myrdal, South Coast, Iceland, Europe

Woman climbing on basalt columns, Halsanefshellir cave, Reynisfjara beach at Vik i Myrdal, South Coast, Iceland, Europe

Jonsvara, Jonsvarda, fumarole on Ljosartungur mountain, Hrafntinnusker mountain, Reykjadalir valley, Laugavegur hiking trail, Fjallabak Nature Reserve, Highlands of Iceland, Europe

Mountain bikers cycling in Love Valley, Guevercinlik Valley, Goereme, Cappadocia, Turkey

Mountain bikers cycling in Goereme, Cappadocia, Turkey

Mountain bikers in Love Valley, Guevercinlik Valley, Goereme, Cappadocia, Turkey

Woman standing under the large, boulders on the seaside shores of The Baths, a famous beach in the BVI's, Virgin Gorda, British Virgin Islands, Caribbean