• jimshi809/Twitter
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    Jim Shi tweeted this photo of a frozen New York City fountain, writing, "It's an icicle party at Bryant Park! @BryantParkNYC #NYC pic.twitter.com/brrGeCJG."

  • dlchappy/Twitter
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    Dani Chapman of Manchester, England, tweeted this photo, writing, "The view from our house this week. #winter #pretty #cold #countryside pic.twitter.com/gmu1xYE1"

  • DanSuttonPhoto/Twitter
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    Dan Sutton of Mississauga, Canada tweeted this photo, writing, "Brrrr..it's cold outside. Don't forget to hug your mailman today! #winter #cold @FrankFerragine @Wx_Mississauga pic.twitter.com/BLqoSAkj." (That's 18 below in Fahrenheit).

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    Stuart Wright of Whitehaven, Cumbria, England, tweeted this photo, writing, "A Snowy Skiddaw this morning. #cold&crisp pic.twitter.com/2ICrA1Aj"

  • rolandos99/Twitter
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    Twitter user "roland" tweeted this sunset photo, writing, "NYC cold day sunset @I_LOVE_NY @NewYorkHabitat @WeatherNationWX @localyokelwx @longislandcity @SocialInNewYork pic.twitter.com/S99RXqam"

  • Robert_Kidner/Twitter
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    Robert Kidner of England tweeted this photo of a snowscape, writing, "#please #close #school #snow #cold #everyone #leaving #freezing #UK #England #Britain #white #photography #countryside pic.twitter.com/LAGL9qQu"

  • frohsie/Twitter
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    Matt Froh of White Rock, British Columbia tweeted this startling photo, writing, "That's a rough way to find out #cold @StFXProblems pic.twitter.com/sET7TFHd"

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    Next: 25 Awe-Inspiring Photos from 2012

    CITY_Thess tweeted this photo of a lightning strike in the sea off of Greece, writing, "#thessaloniki on a rainy day... #skg #salonica #weather #meteo #kairos pic.twitter.com/kiBZHSBJ"