1 Thrill seekers carry sleds through Montrose Beach Park in Chicago, where temperatures plunged to -16°F (-42°F with windchill)
2 A woman walks through a blizzard in downtown Chicago
3 Snow flurries virtually eclipse the Chicago skyline, seen here from a frozen Lake Michigan
4 Firefighters catch their breath after battling a four-alarm fire overnight in North Attleboro, Mass., where temperatures dropped below 0°F
5 A homeless man endures frigid temperatures in Washington
6 Buildings and power lines in Scituate, Mass., are encased in ice produced by ocean spray
7 The banks of Lake Michigan in Milwaukee remain frozen after days...