The nation's first regularly scheduled air passage service began operation between Grand Rapids and Detroit, Michigan in 1926.
•
Rogers City, Michigan boasts the world's largest limestone quarry.
•
The Mackinac Bridge is one of the longest suspension bridges in the world. Connecting the upper and lower peninsulas of Michigan, it spans 5 miles over the Straits of Mackinac, which is where Lake Michigan and Lake Huron meet.