Must-see: Niagara Falls is a winter wonderland in these stunning photos

Visitors take photographs at the brink of the Horseshoe Falls in Niagara Falls, Ontario, as cold weather continues through much of the province on Friday, Dec. 29, 2017. (Aaron Lynett/The Canadian Press via AP)

A cold wave is sweeping almost all of North America, and as temperatures have dwindled, we've seen some pretty bizarre things. But one of the coolest and most beautiful sights right now has to be Niagara Falls, where Jack Frost painted a spectacular scene that looks like something straight out of Narnia.

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