The Michigan Activity Pass is presented by The Library Network.

Get out and explore! As part of a partnership with Michigan public libraries, the Michigan Activity Pass (MAP) invites Library cardholders to visit more than 440 cultural institutions, including nature centers, historical sites, museums, and every Michigan state park. Enjoy complimentary or reduced admission at many destinations, gift shop discounts, and other exclusive offers. With so many choices, you can experience something new every time. Your library card can be your best travel companion!
Visit the Michigan Activity Pass Website (link will open in a new tab)
TLN and the Detroit Zoo have partnered to provide discounted General Admission zoo tickets. When prompted for the store name, enter “hemingway”.
Purchase and print your Detroit Zoo tickets online (link will open in a new tab)