Where are people crazy enough to dye an entire river green? Chicago! It's a forty year Chicago tradition. Every year, in honor of St. Patrick's day, the Chicago River is dyed green and you can watch. To get he best view, go to the east side of the brdge at Columbus Dr. or to upper and lower Wacker Dr. between Columbus and Lake Shore Dr. This year the river will be dyed green on March 14th, Saturday,at 10:45am.