Niagara Falls in Canada and the United States has turned into an icy mass due to the freezing temperatures brought on by the Polar Vortex.

Photos show snow on the boulders near the Rainbow Bridge and on the tourists' deck.

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The US side of the Niagara Falls is pictured after it partially frozeReuters
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The US side of the Niagara Falls is seen after the Polar Vortex that brought record low temperatures to the areaReuters
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The Rainbow Bridge shown in Niagara Falls, Ontario, CanadaReuters
twitter aerial Chicago
Shawn Reynolds ‏(@WCL_Shawn) tweeted this photo, saying: "Beautiful aerial pic of an icy & cold Chicago [via my pilot friend Hank Cain]"Hank Cain / @WCL_Shawn
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Mind Blowing Facts ‏(@TheMindBlowing) tweeted this picture of two dogs on a frozen swimming pool@TheMindBlowing
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The Chicago skyline is framed by icicles after a blast of Arctic air shattered decades-old temperature recordsReuters
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A beachfront is covered in ice in Chicago, IllinoisReuters
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Ice forms on the shore of the East River in New York due to unusually low temperatures caused by a Polar VortexReuters
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The Tidal Basin freezes over near the Jefferson Memorial in WashingtonReuters
A student carries her cross country skis into Washburn High School in Minneapolis, as the school sign indicates a temperature of minus 9F (minus 23 degrees Celsius)Reuters
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A man walks through a steam cloud in downtown ManhattanReuters
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A woman walks her dog around a lake in sub-zero temperatures MinneapolisReuters
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A snow-covered scooter is seen in Chicago, IllinoisReuters
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A sculpture near a path is covered in snow in Carmel, Indiana, north of IndianapolisReuters
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A pedestrian walks past a mural depicting a winter scene in Montreal, CanadaReuters
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A cross country skier makes his way across Lake Calhoun in MinneapolisReuters
Residents walk down Elmwood Avenue after purchasing items from a grocery store in Buffalo, New YorkReuters
Visitors take pictures overlooking the falls in Niagara Falls, Ontario
Visitors take pictures overlooking the falls in Niagara Falls, Ontario.Reuters/Aaron Harris