Pair of Ural owls in Hokkaido, Japan (© JTB Media Creation, Inc./Alamy)(Bing United Kingdom)
Ravensbourne college building on the Greenwich Peninsula, London (© Steve Vidler/Superstock)(Bing United Kingdom)
An underwater view of Aktun Ha cenote near Tulum, Quintana Roo, Mexico (© Christian Vizl/Tandem Stills + Motion)(Bing United Kingdom)
Lake Wakatipu near Queenstown, New Zealand (© Raimondo Restelli/500px)(Bing United Kingdom)
Pen y Fan in the Brecon Beacons National Park, South Wales (© Esen Tunar Photography/Getty Images)(Bing United Kingdom)
Karaweik palace barge on Kandawgyi Lake, Rangoon, Burma (© Etakundoy/Shutterstock)(Bing United Kingdom)
Coyote in Marymoor Park, Redmond, Washington (© Joseph Calev)(Bing United Kingdom)
Trakai Island Castle in Trakai, Lithuania (© Conor MacNeill/Tandem Stills + Motion)(Bing United Kingdom)
Ross Fountain at Butchart Gardens in Victoria, British Columbia, Canada (© Reimar 8/Alamy)(Bing United Kingdom)
Eifel National Park, North Rhine-Westphalia, Germany (© Danny Laps/Minden Pictures)(Bing United Kingdom)
An irrigation system in southern Egypt (© NASA Images)(Bing United Kingdom)
Temple of Valadier, Genga, Italy (© Westend61/Getty Images)(Bing United Kingdom)
Rhesus macaques in the Wulingyuan wilderness near Zhangjiajie, China (© Xinhua News Agency/REX/Shutterstock)(Bing United Kingdom)
Kongde Ri mountain looms over Namche Bazaar in Sagarmatha National Park, Nepal (© Andrew Peacock/Aurora Photos)(Bing United Kingdom)
The Reading Room at the British Museum’s Great Court in London (© Aardvark/Alamy)(Bing United Kingdom)
Mountain hares touching noses in Scotland (© Mark Hamblin/age fotostock)(Bing United Kingdom)
Heavy frost in Las Médulas, Spain (© Juan Carlos Muñoz/age fotostock)(Bing United Kingdom)
Bora Bora in the Leeward Islands of French Polynesia (© Frans Lanting/Getty Images)(Bing United Kingdom)
Minerva Terrace in Mammoth Hot Springs of Yellowstone National Park, Wyoming (© Tim Fitzharris/Minden Pictures)(Bing United Kingdom)
Gentoo penguin on Cuverville Island, Antarctica (© Ben Cranke/Minden Pictures)(Bing United Kingdom)
A red squirrel in Cairngorms National Park, Scotland (© Sue Demetriou/Offset)(Bing United Kingdom)
Pfeiffer Beach at Pfeiffer Big Sur State Park, California (© Jingyu Wu/500px)(Bing United Kingdom)
Trailing azalea growing on a scree slope in Rondane National Park, Norway (© Radomir Jakubowski/Minden Pictures)(Bing United Kingdom)
Fireflies illuminate a forest in Shikoku, Japan (© Hiroya Minakuchi/Minden Pictures)(Bing United Kingdom)
The Great Barrier Reef photographed from the International Space Station (© NASA)(Bing United Kingdom)
Villers Abbey in Villers-la-Ville, Belgium (© Patty Piturlea/500px)(Bing United Kingdom)
A brown leghorn rooster (© Lukchai Chaimongkon/Getty Images)(Bing United Kingdom)
A giant barrel cactus and yucca plants in the Chihuahuan Desert, Mexico (© Patricio Robles Gil/Minden Pictures)(Bing United Kingdom)
A muskox and her calf in Dovrefjell-Sunndalsfjella National Park, Norway (© Christina Krutz/Getty Images)(Bing United Kingdom)
The Mont Blanc massif, seen from Mont Salève, France (© Niggli/Nimia)(Bing United Kingdom)