Christmas market in Sibiu, Romania (© Calin Stan/Alamy)

Icebergs, Antarctica (© Art Wolfe/DanitaDelimont.com)

Female moose, Denali National Park, Alaska (© Cavan Images/Alamy)

Sattais Katcheri (Court of 27 Pillars), Amber Fort, Rajasthan, India (© Yury Taranik/Shutterstock)

Male white rhinoceroses, Lake Nakuru, Kenya (© Ingo Arndt/Minden Pictures)

Tufa formations in Mono Lake, California (© Susanna Patras/TANDEM Stills + Motion)

Old Town in Helsinki, Finland (© Oleksiy Mark/Shutterstock)

Pearl Harbor Memorial Bridge, New Haven, Connecticut (© Enzo Figueres/Getty Images)

Notre-Dame Cathedral, Paris, France (© Julien Fromentin/Getty Images)

Guanacos, Torres del Paine National Park, Chile (© Floris van Breugel/NPL/Minden Pictures)

The Cornish Coast Path covered in snow, Land's End, Cornwall, England (© Josef FitzGerald-Patrick/Getty Images)

Tre Cime di Lavaredo, Sexten Dolomites, Italy (© Daniel Maran/Getty Images)

Wild poinsettia (aka Christmas flower) (© David Hosking/NPL/Minden Pictures)

Christmas market, St. Stephen's Basilica, Budapest, Hungary (© Calin Stan/Shutterstock)

Northern hawk-owl, Canada (© pchoui/Getty Images)

Lake Misurina, Dolomites, Italy (© Marco Bottigelli/Getty Images)

Salzburg, Austria (© bluejayphoto/Getty Images)

Traditional red fishermen's cabins on the shore of Reinefjorden, Norway (© Pilat666/Getty Images)

English National Ballet performing 'The Nutcracker' (© Caroline Holden/Alamy)

Santa Claus Village in Rovaniemi, Lapland, Finland (© Smelov/Shutterstock)

Loisach River at Lake Kochelsee, Bavaria, Germany (© Christian Back/eStock Photo)

Christmas tree at Crystal Pier, Pacific Beach, San Diego, California (© SamAntonioPhotography/Getty Images)

Red-crowned cranes in Kushiro, Hokkaido, Japan (© Wirestock, Inc./Alamy)

Christmas market scene in Germany (© Cyril Gosselin/Getty Images)

Svalbard reindeer in Van Mijenfjorden NP, Norway (© Martin Zwick/REDA&CO/Universal Images Group via Getty Images)

Christmas lights at Mousehole Harbour, Cornwall, England (© ianwool/Getty Images)

Lake Bled, Slovenia (© Kesu01/Getty Images)

A green sea turtle swims in the Pacific Ocean near the French special collectivity of New Caledonia (© Damsea/Shutterstock)

Borobudur Temple, Java, Indonesia (© Robertharding/Shutterstock)

Tasmanian snow gum and pandani plants near Lake Dobson, Mount Field National Park, Tasmania, Australia (© Whitworth Images/Getty Images)

New Year's Eve fireworks over Copacabana Beach, Rio de Janeiro, Brazil (© Wagner Meier/Getty Images)