1350-4513 - Snowmobile sunset tour with Arctic Lifestyle, Rovaniemi, Lapland, Finland.

1350-4515 - Snowmobile sunset tour with Arctic Lifestyle, Rovaniemi, Lapland, Finland.

1350-2894 - A man leaps and dances in the middle of salt flats Danakil Depression, Ethiopia

1350-2886 - Water of Lake Karum, visible through a hole in the salt flat, Danakil Depression, Ethiopia.

1350-2930 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2895 - Tourists stop to drink and rest in the salt flats of the Danakli depression, Ethiopia.

1350-2918 - Erta Ale Volcano is a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

1350-2896 - Tourists stop to drink and rest in the salt flats of the Danakli depression, Ethiopia.

1350-2931 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2927 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2906 - Land Cruisers drive through the salt flats in the Danakil Depression, Ethiopia

1350-2937 - A caravan of camels and tourists traversing the barren volcanic landscape surrounding the Erta Ale Volcano in the Afar Region of Ethiopia

1350-2907 - A detailed view of salt in the Danakil Depression, Ethiopia

1350-2908 - Tourist on the salt flats next to Land Cruisers in the Danakil Depression, Ethiopia

1350-2913 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2923 - Salt miners dig away at the salt flats in the Danakil Depression, Ethiopia.

1350-2885 - A makeshift shelter for salt miners in the Danakil Depression, Ethiopia

1350-2917 - Apocalyptic look scenes as glowing red smoke pours out of Erta Ale Volcano, a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

1350-2921 - A man walks towards Caravan of camels (Camelus) in the Danakil Depression, Ethiopia

1350-2926 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2924 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2888 - Water of Lake Karum, visible through a hole in the salt flat, Danakil Depression, Ethiopia.

1350-2942 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2925 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2933 - A salt miner leads a camel (camelus) Danakil Depression, Ethiopia

1350-2938 - A caravan of camels and tourists traversing the barren volcanic landscape surrounding the Erta Ale Volcano in the Afar Region of Ethiopia

1350-2890 - Tourists relax inside the water of Lake Karum, visible through a hole in the salt flat, Danakil Depression, Ethiopia.

1350-2920 - Two men lead a caravan in the Danakil Depression, Ethiopia

1350-2919 - Houses of the Afar people in the Danakil Depression, Ethiopia

1350-2887 - Water of Lake Karum, visible through a hole in the salt flat, Danakil Depression, Ethiopia.

1350-2889 - Tourist walk on salt flats in the Danakil Depression, Ethiopia

1350-2929 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2904 - Shelters and cots at a salt miner campsite in the Danakil Depression, Ethiopia

1350-2909 - A Caravan of camels (Camelus) in the Danakil Depression, Ethiopia

1350-2893 - Salt flats in the Danakil Depression, Ethiopia

1350-2911 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2912 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2902 - The rocky landscape of the Danakil Depression, Ethiopia

1350-2891 - A silhouetted man posing in the salt flats of the Danakli depression, Ethiopia.

1350-2922 - A caravan of camels (Camelus) in the Danakil Depression, Ethiopia

1350-2928 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2905 - A close up of a cot on a campsite in the Danakil Depression, Ethiopia

1350-2941 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2914 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2903 - Two men set up cots in a salt miner camp in the Danakil Depression, Ethiopia

1350-2892 - Land Cruisers and tourists in the middle of a salt flats in Danakil Depression, Ethiopia

1350-2936 - Erta Ale Volcano is a continuously active basaltic shield volcano and lava lake in the Afar Region of Ethiopia

1350-2910 - Dallol hydrothermal hot springs in the Danakil depression at the Afar Triangle, Ethiopia

1350-2932 - Vehicles and the salt flats in the Danakil Depression, Ethiopia

1350-1730 - Craig Goch reservoir at Elan Valley, Powys, Wales

1350-1731 - Craig Goch reservoir at Elan Valley, Powys, Wales

1116-46336 - View Of A Hiker In The Sandstone Formation Known As The Wave, Vermillion Cliffs, Arizona, United States Of America

1116-46401 - Mountains And Steps Leading Down On A Trail, Alpujarra, Granada Province, Andalucia, Spain

1116-46214 - Tufa Formations At Sunrise, Mono Lake, Lee Vining, California, United States Of America

1116-46216 - Half Dome Seen From Olmsted Point, Yosemite National Park, California, United States Of America

1116-46213 - View From Glacier Point At Sunset, Yosemite National Park, California, United States Of America

1116-46559 - Bryce Canyon National Park, Utah, United States Of America

1116-46588 - Afternoon Thunderstorm, South Rim, Grand Canyon National Park, Unesco World Heritage Site, Arizona, United States Of America

1116-46034 - Hot Springs And Travertines, Terraces Of Carbonate Minerals Left By The Flowing Water, Pamukkale, Turkey

1116-46033 - Hot Springs And Travertines, Terraces Of Carbonate Minerals Left By The Flowing Water, Pamukkale, Turkey

1116-46035 - Hot Springs And Travertines, Terraces Of Carbonate Minerals Left By The Flowing Water, Pamukkale, Turkey

1116-46032 - Hot Springs And Travertines, Terraces Of Carbonate Minerals Left By The Flowing Water, Pamukkale, Turkey

1116-45474 - Moss Covered Lava Flow At Sunrise On The Snaefellsness Peninsula, Iceland

1116-45429 - Moss Covered Lava, Iceland

1116-45430 - Moss Covered Lava, Iceland

1116-45453 - A Spire Of Rock Rises From The Flanks Of The Volcano On The Snaefellsness Peninsula, Iceland

1116-45433 - The Steep Sided Cliffs Of Icelands Westfjords Are Very Colourful In Any Season, Iceland

1116-45432 - The Steep Sided Cliffs Of Icelands Westfjords Are Very Colourful In Any Season, Iceland

1116-44818 - Aerial View Of Snow Covered Mountains And Glaciers In The Coastal Range, Southeast Alaska, Alaska, United States Of America

1116-44303 - Cave Homes In Rock Formations And Fairy Chimneys, Goreme, Cappadocia, Turkey

1116-44301 - Cave Homes In Rock Formations And Fairy Chimneys, Goreme, Cappadocia, Turkey

1116-44300 - Cave Homes In Rock Formations And Fairy Chimneys, Goreme, Cappadocia, Turkey

1116-44302 - Cave Homes In Rock Formations And Fairy Chimneys, Goreme, Cappadocia, Turkey

1116-44054 - Panorama Of Cirque De Mafate, Reunion Island, France

1116-44060 - Panorama Of Wavy Mountains And Pastures For Sheep, North Island, New Zealand

1116-43202 - Tiger Leaping Gorge, The Deepest River Canyon, Yunnon Province, China

1116-42946 - Grey Glacier, Torres Del Paine National Park, Torres Del Paine, Magallanes And Antartica Chilena Region, Chile

857-95351 - Tsunami Hazard Zone warning sign in bright yellow stands out from the landscape along the famed Puna Coast Trail to Halape Beach. The trail is 11.3 miles of rugged hiking for backpackers with no shade or water in the extreme terrain of Hawaii Volcanoes National Park, Hawaii, USA

857-95352 - Coastal hiking scenic of the shore with waves crashing against the cliffs along the famed Puna Coast Trail to Halape Beach. The trail is 11.3 miles of rugged hiking for backpackers with no shade or water in the extreme terrain of Hawaii Volcanoes National Park, Hawaii, USA

857-95353 - Coastal hiking scenic of the shore with waves crashing against the cliffs along the famed Puna Coast Trail to Halape Beach. The trail is 11.3 miles of rugged hiking for backpackers with no shade or water in the extreme terrain of Hawaii Volcanoes National Park, Hawaii, USA

857-95350 - Cooled lava abstract with a bright orange vibrant color to it along the famed Puna Coast Trail to Halape Beach. The trail is 11.3 miles of rugged hiking for backpackers with no shade or water in the extreme terrain of Hawaii Volcanoes National Park, Hawaii Islands, USA

1178-25120 - Rock formations at Valley of Fire State Park, USA, Nevada, Valley of Fire State Park

1178-25115 - Close up of cactus in desert, USA, California, Death Valley National Park

1116-29281 - Dry cracked mud.

1116-29607 - Dry cracked mud.

1116-156 - People Walking Across A Rope Bridge

857-39088 - Telemark skier descends steep mountain in backcountry of southeast Alaska.

857-39086 - Telemark skier descends steep mountain in backcountry of southeast Alaska.

921-538 - 08/04/2009. Spain, España, Canary Islands, Canarias, Tenerife, Los Roques de Garcia and Mount Teide. Volcanic landscape and rock formation with people. . Santa Cruz, Teide National Park, Tenerife Island. Canary Islands

921-539 - 08/04/2009. Spain, España, Canary Islands, Canarias, Tenerife, Los Roques de Garcia and Mount Teide. Volcanic landscape and rock formation with people. . Santa Cruz, Teide National Park, Tenerife Island. Canary Islands

921-540 - 08/04/2009. Spain, España, Canary Islands, Canarias, Tenerife, Los Roques de Garcia and Mount Teide. Volcanic landscape and rock formation with people. . Santa Cruz, Teide National Park, Tenerife Island. Canary Islands

921-537 - 08/04/2009. Spain, España, Canary Islands, Canarias, Tenerife, Los Roques de Garcia and Mount Teide. Volcanic landscape and rock formation with people. . Santa Cruz, Teide National Park, Tenerife Island. Canary Islands

979-4354 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula

979-4363 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula

979-4692 - Guests from the Lindblad Expedition ship National Geographic Explorer, Antarctica

979-4356 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula which has one of the safest harbours in Antarctica.

979-4371 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula

979-4355 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula

979-4698 - Natural history staff from the Lindblad Expedition ship National Geographic Explorer doing various things in and around the Antarctic Peninsula

979-4743 - The Lindblad Expedition ship National Geographic Explorer operating in and around the Antarctic peninsula in Antarctica