All sites free except Hackley & Hume Historic Site and Michigan’s Heritage Park, which are $5-$10; free (ages 0-1).
Center Mon.-Fri. 9:30-4:30, Sat. 10-4. Other sites except Michigan's Heritage Park, Mon. and Thurs.-Sat. 10-4, Sun. 1-4, May-Oct. Michigan's Heritage Park Mon. and Thurs.-Sat. 10-4, Sun. 1-4, June-Sept.; Mon.-Fri. 10-4, in Oct. Closed major holidays.