Water buck, Kobus ellipsiprymnus, in dry bush, Chobe National Park, Botswana, Africa

Black-browed albatross (Thalassarche melanophrys) in flight on New Island in the Falkland Islands

Road to the summit of Apache Maid Mountain, Coconino National Forest, Arizona, United States of America

Medina, UNESCO, Fes, Morocco

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Astronomical instruments of Jantar Mantar, UNESCO, Jaipur, Rajasthan, India

Astronomical instruments of Jantar Mantar, UNESCO, Jaipur, Rajasthan, India

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America

Adult fin whale (Balaenoptera physalus) sub-surface feeding in the rich waters off the Svalbard Archipelago, Norway

Electric mountain bike riders on track between Ouarzazate and Ait Ben Haddou, Ounila River valley, Ouarzazate Province, Draa-Tafilalet, Morocco

Adult humpback whale (Megaptera novaeangliae), head-lunging in the fjord of Isfjardardjup, Iceland

Aerial view of the mountains of Vestrahorn after snowfall, Stokksnes, South Iceland, Iceland, Polar Regions

gun dogs in a cage on a pickup truck

Cityscape seen from Park Guell, Barcelona, Catalonia, Spain, Europe

Sunset near Ullapool, Ross and Cromarty, Highland, Scotland, United Kingdom

Majestic red rock walls in Kok-Moinok Canyon, Kyrgyzstan, Central Asia, Asia

The observation deck of the Desert View Watchtower at Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Cityscape seen from Cabot Tower in Brandon Hill Park, Bristol, England, United Kingdom, Europe

Guests aboard the Lindblad Expeditions ship National Geographic Explorer, South Atlantic Ocean

Archaeological site of Sacsayhuaman, UNESCO World Heritage Site, Cusco, Cusco Region, Peru, South America

View of the exterior of the Grand Egyptian Museum (GEM), Cairo, Egypt, Africa

View of The National Museum and city tram, Aker Brygge, Oslo, Norway, Scandinavia, Europe

Bajamontijeva street, Old Town, Split, Croatia, Europe

Birdwatchers inside bird hide watch migrating geese over-wintering near Holkham, Norfolk, East Anglia, United Kingdom

Church of Santa Chiara, Lecce, Salento, Apulia, Italy

Challenge of Barletta Cellar, Barletta, Barletta-Andria-Trani, Apulia, Italy

Giuseppe De Nittis Art Gallery, Palazzo Della Marra, Barletta, Barletta-Andria-Trani, Apulia, Italy

Giuseppe De Nittis Art Gallery, Palazzo Della Marra, Barletta, Barletta-Andria-Trani, Apulia, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

A male mountaineer is standing on the summit of the Barrhorn, a mountain peak of 3610 meter in the Swiss Alps. It is one of the highest summits in Europe to be accessible to experienced hikers. The region of Wallis is home to over 40 mountain peaks higher than 4000 meter. The highest one that is completely situated within the Swiss borders is the Dom, which is visible in the background. The Mattertal runs from Visp all the way to Zermatt and is a paradise for all outdoor enthusiasts, like hikers, climbers, alpinists, walkers, mountain bikers and nature lovers.

A female hiker crossing a river in the Swiss Alps. In the background is the Ried glacier. This region of Wallis, close to Zermatt, is a paradise for outdoor enthusiasts like climbers, alpinists, hikers, mountainbikers and nature lovers. The water is directly coming from the glacier, so very refreshing after an excercise.

A female hiker on her way to the Wannihorn, a mountain peak in the Swiss Alps, close to Zermatt. In the background is the Weisshorn range. This region of Wallis is home to over 40 of 4000 meter peaks and a paradise for outdoor enthusiasts like climbers, hikers, mountainbikers, trailrunners and nature lovers.