Interstate 10, Atchafalaya Basin, Louisiana (© Brian Sytnyk/Masterfile)(Bing United States)

Interstate 10, Atchafalaya Basin, Louisiana (© Brian Sytnyk/Masterfile)(Bing United States)

Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)

Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)

Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)

Zlatni Rat on Brač Island, Croatia (© mbbirdy/E+/Getty Images)(Bing United States)

Avalanche Creek in Glacier National Park, Montana (© Ian Shive/Tandem Stills + Motion)(Bing United States)

Avalanche Creek in Glacier National Park, Montana (© Ian Shive/Tandem Stills + Motion)(Bing United States)

Quaking aspens in Gunnison National Forest, Colorado (© Tim Fitzharris/Minden Pictures)(Bing United States)

Quaking aspens in Gunnison National Forest, Colorado (© Tim Fitzharris/Minden Pictures)(Bing United States)

The Panagia Hozoviotissa Monastery on the island of Amorgos, Greece (© Lemonan/iStock/Getty Images)(Bing United States)

The Panagia Hozoviotissa Monastery on the island of Amorgos, Greece (© Lemonan/iStock/Getty Images)(Bing United States)

Multiple-exposure image of the Kitesurf World Cup in Germany (© plainpicture/Rudi Sebastian)(Bing United States)

Multiple-exposure image of the Kitesurf World Cup in Germany (© plainpicture/Rudi Sebastian)(Bing United States)

African bush elephants in Mana Pools National Park, Zimbabwe (© David Fettes/Offset)(Bing United States)

African bush elephants in Mana Pools National Park, Zimbabwe (© David Fettes/Offset)(Bing United States)

Caverne du Pont d'Arc at Vallon-Pont-d'Arc, France (© Christian Handl/REX/Shutterstock)(Bing United States)

Caverne du Pont d'Arc at Vallon-Pont-d'Arc, France (© Christian Handl/REX/Shutterstock)(Bing United States)

Huacachina, Ica Region, Peru (© Matthew Williams-Ellis/Aurora Photos)(Bing United States)

Huacachina, Ica Region, Peru (© Matthew Williams-Ellis/Aurora Photos)(Bing United States)

Myakka River State Park, Florida (© Paul Marcellini/Tandem Stills + Motion)(Bing United States)

Myakka River State Park, Florida (© Paul Marcellini/Tandem Stills + Motion)(Bing United States)

Canada lynx in Denali National Park, Alaska (© Design Pics Inc./Alamy)(Bing United States)

Canada lynx in Denali National Park, Alaska (© Design Pics Inc./Alamy)(Bing United States)

Star trails over Ålesund, Norway (© Stian Rekdal/Nimia)(Bing United States)

Star trails over Ålesund, Norway (© Stian Rekdal/Nimia)(Bing United States)

Hulunbuir grasslands, Inner Mongolia, China (© Sino Images/Getty Images)(Bing United States)

Hulunbuir grasslands, Inner Mongolia, China (© Sino Images/Getty Images)(Bing United States)

Maya archaeological site of Caracol, Belize (© Yann Arthus-Bertrand/Getty Images)(Bing United States)

Maya archaeological site of Caracol, Belize (© Yann Arthus-Bertrand/Getty Images)(Bing United States)

Bodie Island Lighthouse on North Carolina's Outer Banks (© Anthony Heflin/Shutterstock)(Bing United States)

Bodie Island Lighthouse on North Carolina's Outer Banks (© Anthony Heflin/Shutterstock)(Bing United States)

Lavender fields of Valensole, Provence, France (© Frank Krahmer/Panorama Stock)(Bing United States)

Lavender fields of Valensole, Provence, France (© Frank Krahmer/Panorama Stock)(Bing United States)

Spiral whip coral off the coast of Indonesia (© WaterFrame/Alamy)(Bing United States)

Spiral whip coral off the coast of Indonesia (© WaterFrame/Alamy)(Bing United States)

Female nyalas, Kruger National Park, South Africa (© Richard Du Toit/Minden Pictures)(Bing United States)

Female nyalas, Kruger National Park, South Africa (© Richard Du Toit/Minden Pictures)(Bing United States)