Geauga Lake was an amusement park in Aurora, Ohio, established in 1887. In 1969 it expanded with additional rides and amenities.
But, if you are looking at this, I don't need to tell you what Geagua Lake is, or how it was left to die in 2016. We all miss Geauga Lake.
This is not an original ad used for this T-shirt: I made this one as 80s as possible.