Map Happy 181st Birthday, Michigan Outdoor Adventure Center 1801 Atwater Street, Detroit, MI 48207WebsitePhone: (844) 622-6367 Description It's human nature to look forward to our birthdays, regardless of age. Come celebrate the coolest birthday around – Michigan's 181st birthday! We will feature a Michigan-themed scavenger hunt with prizes. Included with the price of Outdoor Adventure Center admission. Videos Event Dates More To Explore Categories: Fairs & Festivals State Park Events City: Detroit Region: Southeast Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.