The 17th Annual Chicago Polar Plunge Posted on March 5, 2017 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: David Eigenberg, of NBC’s “Chicago Fire,” joined thousands to jump in the freezing waters of Lake Michigan for the 17th Annual Chicago Polar Plunge at North Avenue Beach on Sunday, March 5, 2017. | Ashlee Rezin/Sun-Times 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: