Sea otter in Bartlett Cove, Glacier Bay National Park and Preserve, Alaska (© Andrew Peacock/Tandem Stills + Motion)

The Fraser River near Mount Robson, British Columbia, Canada (© phototropic/Getty Images)

Cottonwood trees and red sandstone in Coyote Gulch, Glen Canyon National Recreation Area, Utah (© Stephen Matera/Tandem Stills + Motion)

Southern white rhinoceros males, Shamwari Private Game Reserve, South Africa (© David Silverman/Getty Images)

Inside the Nobel Peace Center, Oslo, Norway (© Ilyas Ayub/Alamy)

Roman-inspired aqueduct, Arkadia Park, Poland (© PATSTOCK/Getty Images)

Splügen Pass, Graubünden, Switzerland (© Roberto Moiola/Getty Images)

Milky Way over Southwest Alentejo and Vicentine Coast Natural Park, Portugal (© Daniel Garrido/Getty Images)

Cuban tody, Alejandro de Humboldt National Park, Cuba (© Bruno D’Amicis/Minden Pictures)

A beer tent at Oktoberfest in Theresienwiese, Munich, Germany (© Peter Kneffel/picture alliance via Getty Images)