Chicago Air &amp; Water Show

The Chicago Air &amp; Water Show is an annual air show held on the shore of Lake Michigan in Chicago, Illinois. The show has been held each year since 1959 and is Chicago's second most popular festival (behind Lollapalooza). 
In 2005, 2,200,000 watched the Chicago Air and Water Show. The Chicago Air and Water Show is presented by the City of Chicago and is the largest free show of its kind in the United States.