Here are a few more links added to the original. They contain access to lots of information about the State of Michigan and cities like Detroit.. 

Select a Michigan City to Visit

Automotive Hall of Fame
The People Place, 21400 Oakwood Boulevard, Dearborn, Michigan 48121 USA
Phone: 313 240-4000

Walter P. Chrysler Museum
One Chrysler Drive, Auburn Hills, Michigan 48326-2778
Phone: 1-888-456-1924

Gilmore Car Museum
6865 Hickory Road, Hickory Corners, MI 49060
Phone: 269-671-5089

Henry Ford Museum & Greenfield Village
20900 Oakwood Blvd., Dearborn, MI 48124-4088
Phone: 313-982-6100

Alfred P. Sloan Museum
1221 E. Kearsley St. Flint, MI 48503
Tel: (810) 760- 1169

Gerald R. Ford Presidential Library & Museum

Located at the University of Michigan in Ann Arbor, The Ford Library   Address: 1000 Beal Avenue, Ann Arbor, MI 48109. Hours: Monday - Friday, 8:45 a.m. - 4:45 p.m. Closed Federal holidays. Telephone: 734-205-0555

 Located in Grand Rapids, Michigan, The Ford Museum's     Address: 303 Pearl Street NW, Grand Rapids, MI 49504-5353. Hours: Daily from 9:00 am - 5:00 pm. (Closed New Year's Day, Thanksgiving Day, and Christmas Day). Telephone: 616-254-0400.
Visitors can also see President Ford's gravesite.