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)

Village of Zahara de la Sierra overlooking Zahara-El Gastor Reservoir, Cádiz province, Spain (© SEN LI/Getty Images)

Cottage with Tŵr Mawr Lighthouse in the background, Ynys Llanddwyn, Wales (© Westend61 on Offset/Shutterstock)

Crescent-tail bigeye fish in the Great Barrier Reef, Australia (© Fred Bavendam/Minden Pictures)