Admire the varied architecture when strolling around the island. Some buildings, such as the working-class McGulpin House, made of squared-off logs in the French Canadian style, date back to the French fur-trading days of the 1780s. It's now a museum restored to its condition in the 1820s, as is the merchant-class Biddle House, which provides its visitors with an educational and entertaining living museum experience.

Visit the Old Mackinac Point Lighthouse, built in 1889, with its Keepers' Quarters restored to their 1910 appearance. Explore the interactive exhibits or take a Tower Tour.

Hike to Sugar Loaf, a 75-foot-tall limestone remnant of post-glacial erosion, the largest in the Straits of Mackinac.