Bowling Ball Beach near Point Arena, California (© Patrick Smith/Getty Images)(Bing New Zealand)

Kampa Island, Prague, Czech Republic (© Gianluca Santoni/SIME/4Corners)(Bing New Zealand)

Red-billed oxpeckers on an impala, Kruger National Park, South Africa (© Friedrich von Hörsten/Alamy)(Bing New Zealand)

Silver fern frond, New Zealand (© Alkalyne/Getty Images)(Bing New Zealand)

Cap de Formentor, Majorca, Balearic Islands, Spain (© Marcos Molina/Alamy)(Bing New Zealand)

Arctic fox family, Swedish Lapland (© Staffan Widstrand/plainpicture)(Bing New Zealand)

Alligator Reef Light in the Florida Keys (© Stephen Frink/Aurora Photos)(Bing New Zealand)

Galia melon detail (© Nick Fielding/Alamy)(Bing New Zealand)

Nienhagen Wood in Mecklenburg-Vorpommern, Germany (© Radius Images/Alamy)(Bing New Zealand)

Morning light over Luoping, Yunnan, China (© Nutexzles/Getty Images)(Bing New Zealand)

Bannack State Park in Montana (© Jeff Kroeze/Gallery Stock)(Bing New Zealand)

Agra Fort in Agra, Uttar Pradesh, India (© Bryan Mullennix/Corbis)(Bing New Zealand)

Common myna bird on lily pad in Port Louis, Mauritius (© Getty Images)(Bing New Zealand)

Pennan, Aberdeenshire, Scotland (© Eichhorst/neuebildanstalt/plainpicture)(Bing New Zealand)

Rainforest trees burnt by lightning in Daintree National Park, Far North Queensland, Australia (© Peter Adams/plainpicture)(Bing New Zealand)

Rare cave pearls in Son Doong Cave at Phong Nha-Kẻ Bàng National Park, Vietnam (© Carsten Peter/Getty Images)(Bing New Zealand)

Photographers shooting pictures of brown bears in Lake Clark National Park and Preserve, Alaska (© Art Wolfe/Mint Images)(Bing New Zealand)

Atolls in the Maldive Islands (© Sakis Papadopoulos/plainpicture)(Bing New Zealand)

Mule deer buck in Jasper National Park, Alberta, Canada (© Robert McGouey/All Canada Photos/Corbis)(Bing New Zealand)

Ko Kut Island, Thailand (© sripfoto/Shutterstock)(Bing New Zealand)

Porcupines in Glacier National Park, Montana (© D. Robert & Lorri Franz/Aurora Photos)(Bing New Zealand)

Langebaan Lagoon and West Coast National Park in South Africa (© Peter Chadwick/Science Photo Library)(Bing New Zealand)

Poppies and lupine in Los Angeles County, California (© Corbis/age fotostock)(Bing New Zealand)

Predjama Castle, Slovenia (© Silanes Travel Photography/Getty Images)(Bing New Zealand)

Great gray owl (© J. Peltomaeki/age fotostock)(Bing New Zealand)

Jinshanling section of the Great Wall of China (© View Stock/Getty Images)(Bing New Zealand)

Floating market vendor near Bangkok, Thailand (© Art Wolfe/Mint Images)(Bing New Zealand)

Detail of spines on the exterior of a sea star (Evaserias retifera) near Primorsky Krai, Russia (© SuperStock)(Bing New Zealand)

Hanalei Valley, Kauai, Hawaii (© Ian Philip Miller/Getty Images)(Bing New Zealand)