Stunning photos of frozen tourist sites from America’s polar vortex

The so-called polar vortex of bitterly cold Arctic air that swept across the country this week has not only shattered temperature records. It produced a series of stunning images from frozen beaches in Chicago, city structures buried in ice in Nebraska and waterfalls turned icicles in Washington, D.C.  

Click on the slideshow above to view the best bone-chilling shots of this week’s winter storm.