Blue hour in Naxos, Cyclades, Greece (© Sizun Eye/Getty Images)

Women in traditional dress at the Paro Tshechu Festival in Bhutan (© Richard I’Anson/Getty Images)

North American beaver, Moran, Wyoming (© Enrique Aguirre Aves/Getty Images)

George Peabody Library, Baltimore, Maryland (© Wim Wiskerke/Alamy)

Gaztelugatxe at sunset, Basque Country, Spain (© Eloi_Omella/Getty Images)

The National Cherry Blossom Festival in Washington, DC (© f11photo/Getty Images)

Rainbow over Wasson Peak, Saguaro National Park, Arizona (© Frank Staub/Getty Images)

Sandstone formations in the badlands near Caineville, Utah (© Chris Moore/TANDEM Stills + Motion)

Tree frog, Costa Rica (© Ondrej Prosicky/Shutterstock)

Ostuni at dusk, Apulia, Italy (© Feng Wei Photography/Getty Images)