Frozen waterfalls in Plitvice Lakes National Park, Croatia (© Massimo_S8/Getty Images)

Pont Alexandre III at twilight, Paris, France (© Sizun Eye/Getty Images)

Sleeping wolf in Bavarian Forest National Park, Germany (© Raimund Linke/Getty Images)

Lake Louise, Banff National Park, Alberta, Canada (© Mr. Simon Paul/Shutterstock)

Martin Luther King Jr. Memorial, Washington, DC (© kropic1/Shutterstock)

Whooper swans in Lake Kussharo, Japan (© Darrell Gulin/DanitaDelimont.com)

Road to Hana, Maui, Hawaii (© Matteo Colombo/Getty Images)

Bukhansan National Park, South Korea (© TRAVEL TAKE PHOTOS/Shutterstock)

Eurasian lynx in the snow (© Jan Stria/Shutterstock)

Stairs on the shoreline at Mylopotamos Beach, Thessaly, Greece (© Orestis Zoumpos/Amazing Aerial Agency)