Eurasian red squirrel in Northumberland, England (© Michael_Conrad/Getty Images)

Handmade gnomes at a Christmas market (© Veronika Seppanen/Shutterstock)

Lights on Spiegelgracht canal, Amsterdam, Netherlands (© Amith Nag Photography/Getty Images)

Tufted titmouse perched on pine boughs, Massachusetts (© Tim Laman/NPL/Minden Pictures)

Merced River, Yosemite National Park, California (© Ron and Patty Thomas/Getty Images)

Spotted poinsettia (© DigiPub/Getty Images)

Summit of Mount Everest at sunset, seen from Renjo La, Nepal (© shoults/Alamy)

Interior of the Mosque-Cathedral of Córdoba, Andalusia, Spain (© Elena Zolotova/Getty Images)

Guanaco in Punta Norte, Argentina (© Sylvain Cordier/naturepl.com)

Christmas lights in Domaso, Lake Como, Italy (© Roberto Moiola/Getty Images)