Somme River estuary, France (© Philippe Frutier/plainpicture)(Bing New Zealand)

Shiprock in the Navajo Nation of New Mexico (© Wild Horizon/Getty Images)(Bing New Zealand)

A herd of male springboks in the Kalahari region of South Africa (© Minden Pictures/Masterfile)(Bing New Zealand)

Tasman Lake on South Island, New Zealand (© UpdogDesigns/iStock/Getty Images Plus)(Bing New Zealand)

A glasswing butterfly perched on a leaf (© Corianna Heise/Alamy)(Bing New Zealand)

Valais Blacknose sheep in Valais, Switzerland (© Alessandra Meniconzi/Solent News/REX/Shutterstock)(Bing New Zealand)

Desert View Watchtower, Grand Canyon National Park, Arizona (© Babak Tafreshi/National Geographic/Getty Images)(Bing New Zealand)

Nuami Islet, Nokan Hui atoll at the south of the Isle of Pines, New Caledonia, France (© Yann Arthus Bertrand/Getty Images)(Bing New Zealand)

Svalbard Satellite Station, Svalbard archipelago, Norway (© Tim E White/Getty Images)(Bing New Zealand)

Harz Narrow Gauge Railway, Brocken, Harz National Park, Saxony-Anhalt, Germany (© GS/Gallery Stock)(Bing New Zealand)

Blanchard Springs Caverns in Arkansas (© Garret Suhrie/Tandem Stills + Motion)(Bing New Zealand)

A blue-footed booby dives off San Cristóbal Island, Ecuador (© Tui De Roy/Minden Pictures)(Bing New Zealand)

Enhanced image of a cross section of a pine stem (© Garry DeLong/Getty Images)(Bing New Zealand)

Lands End in San Francisco, California (© Toby Harriman/Nimia)(Bing New Zealand)

Interior of the Broch of Mousa on Mousa Island, Scotland (© National Geographic Creative/Alamy)(Bing New Zealand)

Five Fingers Strand near Malin Head, Ireland (© Cahir Davitt/age fotostock)(Bing New Zealand)

African wild dogs in Kruger National Park, South Africa (© Richard Du Toit/Minden Pictures)(Bing New Zealand)

An ice tunnel inside Matanuska Glacier, Alaska (© Lynn Wegener/Offset)(Bing New Zealand)

Baía dos Porcos beach and the Two Brothers rock formations, Fernando de Noronha, Brazil (© Alex Saberi/Getty Images)(Bing New Zealand)

An adult black bear in the Tongass National Forest of Alaska (© Mark Kelley/Tandem Stills + Motion)(Bing New Zealand)

Yinlianzhui Waterfall near Anshun, Guizhou Province, China (© Top Photo Group/Getty Images)(Bing New Zealand)

Storm near Lamar, Colorado (© john finney photography/Getty Images)(Bing New Zealand)

Great crested grebes with chick (© Jasper Doest/Minden Pictures)(Bing New Zealand)

Springtime near the village of Aínsa-Sobrarbe, Spain (© Hans Kruse/500px)(Bing New Zealand)

Pine sapling in burnt heather at Strabrechtse Heide, Netherlands (© Heike Odermatt/Minden Pictures)(Bing New Zealand)

Hveravellir hot spring on Kjölur plateau, Iceland (© Mliberra/Getty Images)(Bing New Zealand)

Common rosefinch male perching (© Arterra Picture Library/Alamy)(Bing New Zealand)

Palacio de Bellas Artes in Mexico City (© Torresigner/Getty Images)(Bing New Zealand)

An elevated trail at Cradle Mountain-Lake Saint Clair National Park in Tasmania, Australia (© Sean Crane/Minden Pictures)(Bing New Zealand)

Stair Hole near Lulworth Cove in Dorset, England (© Jonathan Dillon/Alamy)(Bing New Zealand)