Ice in a crater of the Vastitas Borealis region of Mars (© VUZE/NASA/Alamy)(Bing United States)

Ice in a crater of the Vastitas Borealis region of Mars (© VUZE/NASA/Alamy)(Bing United States)

Mount Rushmore in South Dakota (© guillaumelynn/Shutterstock)(Bing United States)

Mount Rushmore in South Dakota (© guillaumelynn/Shutterstock)(Bing United States)

Torronsuo National Park in Finland (© Teemu Tretjakov/500px)(Bing United States)

Torronsuo National Park in Finland (© Teemu Tretjakov/500px)(Bing United States)

Vieste on the Adriatic coast of Italy (© Peter Adams Photography Ltd/Alamy)(Bing United States)

Vieste on the Adriatic coast of Italy (© Peter Adams Photography Ltd/Alamy)(Bing United States)

Waterfalls in a canyon of Siberia’s Putorana Plateau, Russia (© Sergey Gorshkov/Minden Pictures)(Bing United States)

Waterfalls in a canyon of Siberia’s Putorana Plateau, Russia (© Sergey Gorshkov/Minden Pictures)(Bing United States)

James Turrell’s ‘Twilight Epiphany’ Skyspace at Rice University, Houston, Texas (© Alex Fradkin/Gallery Stock)(Bing United States)

James Turrell’s ‘Twilight Epiphany’ Skyspace at Rice University, Houston, Texas (© Alex Fradkin/Gallery Stock)(Bing United States)

Elephants crossing Luangwa River, Zambia (© Frans Lanting/Gallery Stock)(Bing United States)

Elephants crossing Luangwa River, Zambia (© Frans Lanting/Gallery Stock)(Bing United States)

Wilson Stump on Yakushima Island, Japan (© Mitsushi Okada/Getty Images)(Bing United States)

Wilson Stump on Yakushima Island, Japan (© Mitsushi Okada/Getty Images)(Bing United States)

Hallwylfjellet at Adventdalen, Norway (© Ethan Welty/Aurora Photos)(Bing United States)

Hallwylfjellet at Adventdalen, Norway (© Ethan Welty/Aurora Photos)(Bing United States)

Upside-down jellyfish in Jardines de la Reina National Park, Cuba (© Pete Oxford/Minden Pictures)(Bing United States)

Upside-down jellyfish in Jardines de la Reina National Park, Cuba (© Pete Oxford/Minden Pictures)(Bing United States)

Beach near Tofino, Vancouver Island, Canada (© Cavan Images/Offset)(Bing United States)

Beach near Tofino, Vancouver Island, Canada (© Cavan Images/Offset)(Bing United States)

Boardman Tree Farm in Boardman, Oregon (© Garret Suhrie/REX/Shutterstock)(Bing United States)

Boardman Tree Farm in Boardman, Oregon (© Garret Suhrie/REX/Shutterstock)(Bing United States)

Male Himalayan monal in Sagarmāthā National Park, Nepal (© Patricio Robles Gil/Minden Pictures)(Bing United States)

Male Himalayan monal in Sagarmāthā National Park, Nepal (© Patricio Robles Gil/Minden Pictures)(Bing United States)

Itapuã Lighthouse in Salvador, Bahia, Brazil (© Uiler Costa/Offset)(Bing United States)

Itapuã Lighthouse in Salvador, Bahia, Brazil (© Uiler Costa/Offset)(Bing United States)

Sunrise over Utah Lake near Provo, Utah (© Nimia)(Bing United States)

Sunrise over Utah Lake near Provo, Utah (© Nimia)(Bing United States)

Stairwell in the Department of Philosophy building of New York University, New York City (© Alex Fradkin/Gallery Stock)(Bing United States)

Stairwell in the Department of Philosophy building of New York University, New York City (© Alex Fradkin/Gallery Stock)(Bing United States)

King penguins at Volunteer Point, Falkland Islands (© Luciano Candisani/Minden Pictures)(Bing United States)

King penguins at Volunteer Point, Falkland Islands (© Luciano Candisani/Minden Pictures)(Bing United States)

Forest path in Padley Gorge, Derbyshire, England (© James Mills/500px)(Bing United States)

Forest path in Padley Gorge, Derbyshire, England (© James Mills/500px)(Bing United States)

Palau de la Música Catalana in Barcelona, Spain (© Luis Davilla/age fotostock)(Bing United States)

Palau de la Música Catalana in Barcelona, Spain (© Luis Davilla/age fotostock)(Bing United States)

Alpine marmots near the Grossglockner High Alpine Road, Austria (© Weimann/Getty Images)(Bing United States)

Alpine marmots near the Grossglockner High Alpine Road, Austria (© Weimann/Getty Images)(Bing United States)

The Smithsonian Institution's National Museum of African American History and Culture in Washington, DC (© Jahi Chikwendiu/The Washington Post via Getty Images)(Bing United States)

The Smithsonian Institution's National Museum of African American History and Culture in Washington, DC (© Jahi Chikwendiu/The Washington Post via Getty Images)(Bing United States)