Milky Way over Joshua Tree National Park, California (© Schroptschop/Getty Images)

Mariposa Grove of Giant Sequoias in Yosemite National Park, California (© Orbon Alija/Getty Images)

South Padre Island, Texas (© Jeff R Clow/Getty Images)

Great horned owl fledglings (© Michael Morse/Getty Images)

Adélie penguins in Antarctica (© David Merron Photography/Getty Images)

Old underground cellar, Bavaria, Germany (© Andreas Zerndl/Getty Images)

Stuttgart Public Library, Germany (© Axel Brunst/Tandem Stills + Motion)

Island fox in Channel Islands National Park, California (© Ian Shive/Tandem Stills + Motion)

Procida, Italy (© Sean Pavone/Shutterstock)

Juniper Springs in Ocala National Forest, Florida (© Michael Warren/Getty Images)