A climber in the Cabinet Mountains Wilderness in Montana (© Steven Gnam/Tandem Stills + Motion)(Bing Australia)

An underwater view of Aktun Ha cenote near Tulum, Quintana Roo, Mexico (© Christian Vizl/Tandem Stills + Motion)(Bing Australia)

Lake Wakatipu near Queenstown, New Zealand (© Raimondo Restelli/500px)(Bing Australia)

Blue-and-yellow macaws flying over the Amazon, Brazil (© Nicky van Veenendaal/500px)(Bing Australia)

Karaweik palace barge on Kandawgyi Lake, Yangon, Myanmar (© Etakundoy/Shutterstock)(Bing Australia)

Coyote in Marymoor Park, Redmond, Washington (© Joseph Calev)(Bing Australia)

Trakai Island Castle in Trakai, Lithuania (© Conor MacNeill/Tandem Stills + Motion)(Bing Australia)

Ross Fountain at Butchart Gardens in Victoria, British Columbia, Canada (© Reimar 8/Alamy)(Bing Australia)

Veliko Tarnovo, Bulgaria (© valentinrussanov/Getty Images)(Bing Australia)

Cierva Cove on the Antarctic Peninsula (© Aurora Photos/Offset)(Bing Australia)

Temple of Valadier, Genga, Italy (© Westend61/Getty Images)(Bing Australia)

Lunettes at Mungo National Park, New South Wales, Australia (© Steffen and Alexandra Sailer/Pantheon/Superstock)(Bing Australia)

Kongde Ri mountain looms over Namche Bazaar in Sagarmatha National Park, Nepal (© Andrew Peacock/Aurora Photos)(Bing Australia)

The British Museum Reading Room and Great Court in London (© Aardvark/Alamy)(Bing Australia)

Double-barred finch flock at Gregory River, Queensland, Australia (© Martin Willis/Minden Pictures)(Bing Australia)

Heavy frost in Las Médulas, Spain (© Juan Carlos Muñoz/age fotostock)(Bing Australia)

Black-headed night monkeys in Pacaya Samiria National Park, Peru (© Cyril Ruoso/Minden Pictures)(Bing Australia)

Bora Bora in the Leeward Islands of French Polynesia (© Frans Lanting/Getty Images)(Bing Australia)

Gentoo penguin on Cuverville Island, Antarctica (© Ben Cranke/Minden Pictures)(Bing Australia)

Eurasian red squirrel in Cairngorms National Park, Scotland (© Sue Demetriou/Offset)(Bing Australia)

Pfeiffer Beach at Pfeiffer Big Sur State Park, California (© Jingyu Wu/500px)(Bing Australia)

Trailing azalea in Rondane National Park, Norway (© Radomir Jakubowski/Minden Pictures)(Bing Australia)

Fireflies illuminate a forest in Shikoku, Japan (© Hiroya Minakuchi/Minden Pictures)(Bing Australia)

Flame Towers and skyline of Baku, Azerbaijan (© railelectropower/Getty Images)(Bing Australia)

Silhouette of red kangaroos in Sturt National Park, New South Wales (© Mitsuaki Iwago/Minden Pictures)(Bing Australia)

Villers Abbey in Villers-la-Ville, Belgium (© Patty Piturlea/500px)(Bing Australia)

A brown leghorn rooster (© Lukchai Chaimongkon/Getty Images)(Bing Australia)

A giant barrel cactus and yucca plants in the Chihuahuan Desert, Mexico (© Patricio Robles Gil/Minden Pictures)(Bing Australia)

A muskox and calf in Dovrefjell-Sunndalsfjella National Park, Norway (© Christina Krutz/Getty Images)(Bing Australia)

The Mont Blanc massif, seen from Mont Salève, France (© Niggli/Nimia)(Bing Australia)

Ghost fungi on a tree in the Atherton Tablelands, Queensland (© Jurgen Freund/NPL/Minden Pictures)(Bing Australia)