Sandcastle on Malvarrosa Beach in Valencia, Spain (© Tony French/Alamy)(Bing United States)

Sandcastle on Malvarrosa Beach in Valencia, Spain (© Tony French/Alamy)(Bing United States)

Green sea turtle with sardines near Playa Grandi, Curaçao (© yfhishinuma/Getty Images Plus)(Bing United States)

Green sea turtle with sardines near Playa Grandi, Curaçao (© yfhishinuma/Getty Images Plus)(Bing United States)

'El Problema del Caballo' by Claudia Fontes in Venice, Italy (© Marco Secchi/Getty Images)(Bing United States)

'El Problema del Caballo' by Claudia Fontes in Venice, Italy (© Marco Secchi/Getty Images)(Bing United States)

The Copper River Delta in Chugach National Forest, Alaska (© Frans Lanting/plainpicture)(Bing United States)

The Copper River Delta in Chugach National Forest, Alaska (© Frans Lanting/plainpicture)(Bing United States)

Island fox on Santa Cruz Island, Channel Islands National Park, California (© Ian Shive/Tandem Motion + Stills)(Bing United States)

Island fox on Santa Cruz Island, Channel Islands National Park, California (© Ian Shive/Tandem Motion + Stills)(Bing United States)

Ghyakar village, Upper Mustang, Nepal (© Frank Bienewald/Alamy)(Bing United States)

Ghyakar village, Upper Mustang, Nepal (© Frank Bienewald/Alamy)(Bing United States)

The City of Arts and Sciences in Valencia, Spain (© MAIKA 777/Getty Images)(Bing United States)

The City of Arts and Sciences in Valencia, Spain (© MAIKA 777/Getty Images)(Bing United States)

A carving of artist W.O.J. Nieuwenkamp in the Pura Meduwe Karang temple in Bali, Indonesia (© John Elk III/Getty Images)(Bing United States)

A carving of artist W.O.J. Nieuwenkamp in the Pura Meduwe Karang temple in Bali, Indonesia (© John Elk III/Getty Images)(Bing United States)

Abu Simbel temples on the west shore of Lake Nasser, Egypt (© George Steinmetz/Getty Images)(Bing United States)

Abu Simbel temples on the west shore of Lake Nasser, Egypt (© George Steinmetz/Getty Images)(Bing United States)

Midnight sun at North Cape, Norway (© Ron Bennett/Shutterstock)(Bing United States)

Midnight sun at North Cape, Norway (© Ron Bennett/Shutterstock)(Bing United States)

Cannes, France, where the annual film festival begins today (© Manjik Photography/Alamy)(Bing United States)

Cannes, France, where the annual film festival begins today (© Manjik Photography/Alamy)(Bing United States)

Pine Log State Forest, Florida (© plainpicture/Cavan Images)(Bing United States)

Pine Log State Forest, Florida (© plainpicture/Cavan Images)(Bing United States)

Piping plover and its chick on Jones Beach Island, New York (© Vicki Jauron/Getty Images)(Bing United States)

Piping plover and its chick on Jones Beach Island, New York (© Vicki Jauron/Getty Images)(Bing United States)

Historic windmills of Zaanse Schans near Amsterdam, Netherlands (© Matt Cooper/Gallery Stock)(Bing United States)

Historic windmills of Zaanse Schans near Amsterdam, Netherlands (© Matt Cooper/Gallery Stock)(Bing United States)

Steamtown National Historic Site in Scranton, Pennsylvania (© Walter Bibikow/Danita Delimont)(Bing United States)

Steamtown National Historic Site in Scranton, Pennsylvania (© Walter Bibikow/Danita Delimont)(Bing United States)

Zebras in Serengeti National Park, Tanzania (© pchoui/Getty Images)(Bing United States)

Zebras in Serengeti National Park, Tanzania (© pchoui/Getty Images)(Bing United States)

An outdoor curling tournament in Naseby, New Zealand (© David Wall/Danita Delimont)(Bing United States)

An outdoor curling tournament in Naseby, New Zealand (© David Wall/Danita Delimont)(Bing United States)

St. Mary Falls in Glacier National Park, Montana (© Pung/Shutterstock)(Bing United States)

St. Mary Falls in Glacier National Park, Montana (© Pung/Shutterstock)(Bing United States)

Fireweed in North Cascades National Park in Washington state (© Danita Delimont/Getty Images)(Bing United States)

Fireweed in North Cascades National Park in Washington state (© Danita Delimont/Getty Images)(Bing United States)

San Miguel de Allende, Mexico (© ferrantraite/Getty Images)(Bing United States)

San Miguel de Allende, Mexico (© ferrantraite/Getty Images)(Bing United States)

The Skellig Islands, Skellig Michael and Little Skellig, in Ireland (© Design Pics/DanitaDelimont.com)(Bing United States)

The Skellig Islands, Skellig Michael and Little Skellig, in Ireland (© Design Pics/DanitaDelimont.com)(Bing United States)

The installation 'Waldplastik' during Blue Night in Nuremberg, German (© Daniel Karmann/Shutterstock)(Bing United States)

The installation 'Waldplastik' during Blue Night in Nuremberg, German (© Daniel Karmann/Shutterstock)(Bing United States)

Ruff male displaying its plumage, Varanger Peninsula, Norway (© Winfried Wisniewski/Minden Pictures)(Bing United States)

Ruff male displaying its plumage, Varanger Peninsula, Norway (© Winfried Wisniewski/Minden Pictures)(Bing United States)

Wisteria blooms at Kawachi Fuji Gardens in Kitakyushu, Japan (© Wibowo Rusli/Alamy)(Bing United States)

Wisteria blooms at Kawachi Fuji Gardens in Kitakyushu, Japan (© Wibowo Rusli/Alamy)(Bing United States)