Strokkur geyser in Iceland (© John and Tina Reid/Getty Images)

Deer Valley at dusk, Park City, Utah (© Adventure_Photo/Getty Images)

Ad-Deir, Petra, Jordan (© Punnawit Suwuttananun/Getty Images)

Eurasian red squirrel (© Edwin Giesbers/Minden Pictures)

Martin Luther King Jr. Memorial in Washington, DC (© Win McNamee/Getty Images)

Neptune’s Grotto, Sardinia, Italy (© Carlo Murenu/Getty Images)

Sunset at White Sands National Park, New Mexico (© Image Professionals GmbH/Alamy)

Brown pelican, San Diego, California (© Arthur Morris/BIRDS AS ART/Getty Images)

High Peaks Trail in Pinnacles National Park, San Benito County, California (© yhelfman/Getty Images)

The Great Court of the British Museum, London, England (© Cavan Images/Offset/Shutterstock)