Woodward Dream Cruise Turns 21

More than 40,000 classic cars and 1 million visitors are expected to take part in this week's Woodward Dream Cruise. Now in its 21st year, the annual event is held along a 16-mile stretch through Detroit's suburbs.

General Motors Co.'s Chevrolet unit will serve as this year's primary sponsor. Events start on Wednesday and culminate with the official cruise on Saturday, running between 9 a.m. and 9 p.m.