Photos: Some Must-See SUPER CHILLING Pics

Some areas in the United States dropped to their coldest temperatures in years as a polar vortex flooded the country from Canada, spreading into the Midwest and expanding to other states from coast to coast.
Wind chill in Minnesota reached -50 degrees Fahrenheit — that's cold enough for exposed skin to get frostbite in 5 minutes. Plenty of other places saw sub-zero weather, temperatures so cold that many officials shut down schools, highways and tourist attractions as a means to try to keep people inside.
Here are few spine-shivering photos.

                   Cold Commute-A commuter walks across the Chicago River in sub-zero temperatures

Lake Michigan- A frozen Lake Michigan sits still in front of the Chicago skyline. Chicago felt a record low temperature of -16 degrees Fahrenheit on Monday.

Walking to Work- A man barrels through single digit temperatures in New York City as he walks by a steam vent.

Trying to Keep Warm-Homeless men tried to sleep at a Metro Station in Washington, D.C. as temperatures slipped below 10 degrees Fahrenheit. 

                                           Walk on the Water-Mist rises along Lake Michigan.

Frozen Snow in Detroit-Detroit is still dealing with several icy inches of snow in the wake of Winter Storm Hercules and the polar vortex that has engulfed much of the nation.

Plane Delays-A man waits for a flight at Kennedy International Airport in New York City. Thousands of flights were canceled yesterday due to freezing temperatures

Chicago Skyline-North Avenue Beach looked more like an ice rink on January 6, as Chicago temperatures fell farther than they ever had before. 

                                          Clearing a Path-A Detroit resident clears his sidewalk.

                                         Frigid Night-A woman walks amid snow and steam in Detroit.