A beachfront is covered in ice in Chicago, Illinois.
Reuters
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The US side of Niagara Falls is pictured from Ontario, Canada on Wednesday. Parts of Niagara Falls froze, as the US and southern Canada endured the frigid polar vortex that affected 240 million people.
Reuters
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The Rainbow Bridge spans a partially frozen Niagara River.
Reuters
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The American Falls
Reuters
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The American Falls
Reuters
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The American Falls
Reuters
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The American Falls
Reuters
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The observation deck on the Canadian side of the Falls.
Reuters
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Ice chunks flow over the Horseshoe Falls in Ontario.
Reuters
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The observation deck on the Canadian side of the Falls.
Reuters
