A woman gets ready to dive back into the lake under the watchful eyes of emergency personnel. — Nancy Stone / Chicago Tribune, March 2, 2014
Plungers came in all kinds of exotic costumes as they took a dive into an icy Lake Michigan. — Nancy Stone / Chicago Tribune, March 2, 2014
A group of youngsters participate in this year's Polar Plunge. — Nancy Stone / Chicago Tribune, March 2, 2014
Many participants in the Polar Plunge wore ties in solidarity with Jimmy Fallon. — Nancy Stone / Chicago Tribune, March 2, 2014
Mayor Rahm Emanuel and Late Night talk show host Jimmy Fallon leap into Lake Michigan. — Nancy Stone / Chicago Tribune, March 2, 2014
A man with a Jimmy Fallon mask puts his head under water. — Nancy Stone / Chicago Tribune, March 2, 2014
One man didn't quite have enough of the cold water. — Nancy Stone / Chicago Tribune, March 2, 2014
Plungers came in all kinds of exotic costumes as they took a dive into an icy Lake Michigan. — Nancy Stone / Chicago Tribune, March 2, 2014
Two men dressed as Elvis participate in the Polar Plunge. — Nancy Stone / Chicago Tribune, March 2, 2014
One participant jumped into the water in a priest costume. — Nancy Stone / Chicago Tribune, March 2, 2014
A man plays in the frigid water during the annual Polar Plunge. — Nancy Stone / Chicago Tribune, March 2, 2014
A man submerges himself in the icy water. — Nancy Stone / Chicago Tribune, March 2, 2014
Many participants in the Polar Plunge wore ties in solidarity with Jimmy Fallon. — Nancy Stone / Chicago Tribune, March 2, 2014
A man decides to take another dip in the frigid lake. — Nancy Stone / Chicago Tribune, March 2, 2014
Plungers came in all kinds of exotic costumes including these Abraham Lincolns from Chicago. — Nancy Stone / Chicago Tribune, March 2, 2014
A man gets ready to dive back into the lake under the watchful eyes of emergency personnel. — Nancy Stone / Chicago Tribune, March 2, 2014
As Mayor Rahm Emanuel heads out of the lake after diving in, Jimmy Fallon dressed in a suit and Polar hat starts heading into the lake. — Nancy Stone / Chicago Tribune, March 2, 2014
Late Night talk show host Jimmy Fallon leapt into Lake Michigan at North Avenue Beach. — Nancy Stone / Chicago Tribune, March 2, 2014
Jimmy Fallon in suit and tie, and Mike Kelly (L) Chicago Park District Superintendent run out of the water after diving in. — Nancy Stone / Chicago Tribune, March 2, 2014
A wet-haired Mayor Rahm Emanuel leaves the Polar Plunge after a successful dip. — Nancy Stone / Chicago Tribune, March 2, 2014
Mayor Rahm Emanuel dried off and fully clothed high fives onlookers as he leaves the Polar Plunge. — Nancy Stone / Chicago Tribune, March 2, 2014
An abandoned Jimmy Fallon mask lies in the sand. — Nancy Stone / Chicago Tribune, March 2, 2014
Cook County States Attorney, Anita Alvarez, gingerly heads into the lake. — Nancy Stone / Chicago Tribune, March 2, 2014
Amy Rule, wife of Mayor Rahm Emanuel watches her husband take a dive into Lake Michigan. — Nancy Stone / Chicago Tribune, March 2, 2014
