It's like a science fair experiment in real life.
At least one cool thing has come out of this miserable cold snap: ice volcanoes. The abnormally low temperatures in the eastern US are severe enough to freeze the hot water spewing from this geyser in New York's Letchworth State Park. Where the water hits the bitter air, a giant tower of ice has formed, water still bubbling out of the top.
Here's a tip for parents: take your kids and tell them Elsa did it. You'll get big points.