When people think of amusement and theme parks in Michigan, the obvious choice is Michigan's Adventure in Muskegon. Across its multiple variations (yes, it hasn't always been Michigan's Adventure), the amusement park has been a part of West Michigan since 1956. Get our free mobile appBut that doesn't mean it's been Michigan's only amusement or theme park. Michigan's Forgotten Amusement and Theme Parks Michigan's Adventure wasn't always the only game in town. Here's a look back at the amusement parks that came before it.