The bitter cold that hit a large swath of the U.S. this week has been uncomfortable and at times dangerous, but it also has allowed photographers over the past couple of days to capture some stunning images of places and objects that have quite literally frozen over. Here are some of those.

The Smithsonian Waterfall in D.C.

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A Fountain at Bryant Park in New York 

Reuters

The Pond in Central Park in New York 

Reuters

A Dog Stranded on Frozen Lake Michigan in Chicago

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Lake Harriet in Minneapolis

Reuters

The Delaware River

Associated Press

The Cleveland Harbor Lighthouse in Cleveland

Associated Press

A Warehouse that Burned (and Continued to Burn) in Chicago

Reuters

Reuters