Siesta the donkey greets Sudo the dog in Melbourne, Australia (© Sarah Matray/REX Shutterstock)(Bing Australia)
American bison near Fort Pierre, South Dakota (© Jim Brandenburg/Minden Pictures)(Bing Australia)
Gateshead Millennium Bridge in Newcastle upon Tyne, England (© Graeme Peacock/Alamy)(Bing Australia)
Ship wreckage near Tromsø, Norway (© Daniel Osterkamp/Getty Images)(Bing Australia)
A road to Arenal Volcano National Park in Costa Rica (© Stefano Amantini/Corbis)(Bing Australia)
Cenote Samula near Valladolid, Yucatán Peninsula, Mexico (© ML Sinibaldi/Lithium/age fotostock)(Bing Australia)
Hanging Rock in the Macedon Ranges, Victoria, Australia (© Auscape/Universal Images Group/Getty Images)(Bing Australia)
Interior view of Fukuoka Tower in Fukuoka, Japan (© EQRoy/Shutterstock)(Bing Australia)
Antelope Canyon near Page, Arizona (© S.R.Lee Photo Traveller/Shutterstock)(Bing Australia)
Mononoke Hime no Mori on Yakushima, Japan (© Hiroyuki Nagaoka/Getty Images)(Bing Australia)
African elephants (© James Hager/Offset)(Bing Australia)
Purple-tipped sea anemones off the coast of Vancouver Island, British Columbia, Canada (© Brandon Cole/Offset)(Bing Australia)
Macquarie Lighthouse in Sydney, Australia (© Igor Kasalovic/500px)(Bing Australia)
Macro picture of a variety of bristly haircap moss (© Misja Smits/Buiten-Beeld/plainpicture)(Bing Australia)
The Heart Nebula (© Matthew Russell/Visuals Unlimited, Inc.)(Bing Australia)
U Bein Bridge, Amarapura, Myanmar (© Moment Select/Getty Images)(Bing Australia)
Mulbekh Monastery in the Zanskar region of Ladakh, Jammu and Kashmir, India (© Lethang Photography/Getty Images)(Bing Australia)
Termite mounds in Litchfield National Park, Northern Territory, Australia (© Ingo Arndt/Minden Pictures)(Bing Australia)
Gecko and insect on rainy day, Indonesia (© Shikhei Goh/Getty Images)(Bing Australia)
Warwick Long Bay, Bermuda (© SIME/eStock Photo)(Bing Australia)
A spectacled bear cub in Maquipucuna Cloudforest Reserve, Ecuador (© Pete Oxford/Minden Pictures)(Bing Australia)
Star trails at Cape Woolamai in Victoria, Australia (© Lincoln Harrison/Solent News/Rex Features)(Bing Australia)
Cape gannet diving for fish off Port St. Johns, Wild Coast, Eastern Cape, South Africa (© FLPA/FLPA/SuperStock)(Bing Australia)
Palais Garnier in Paris, France (© John Kellerman/Alamy)(Bing Australia)
The polder landscape near Jisp, Netherlands (© Frans Lemmens/Alamy)(Bing Australia)
Sunset near Ely, Minnesota (© Jim Brandenburg/Minden Pictures)(Bing Australia)
An organic farm in the Roztocze region of Poland (© Marek Piotrowski/Alamy)(Bing Australia)
Metropol Parasol in Seville, Spain (© Felipe Rodriquez/age fotostock)(Bing Australia)
Acacia pycnantha, or Golden Wattle (© Panorama Stock)(Bing Australia)