Though many people think the Coney dog was created in New York's Coney Island, it was actually born in Detroit, though the original creator is still disputed. (Side note: The other great Detroit dispute is where to go for the best Coney. Seriously, the Coney challenge can make or break friendships.)
When Detroit's Belle Isle Park opened in 1884 it was the largest island park in the nation. Belle Isle is bigger than Central Park, and designed by the same person.
Michigan is the only state in the world where you can go fowling.
Detroit is the only city in the continental U.S. where you look South to Canada. So, geographically speaking, there is no such thing as being born and raised in South Detroit. (Although we belt the line in Journey's Don't Stop Believin' like it actually exists.)
Eastern Market is the "largest and oldest market of its kind," serving Detroit for more than 170 years. Eastern Market is also the largest open-air flowerbed market in the U.S.
Detroit is the birthplace to a hybrid of the New York and Chicago pizza styles – a square, deep-dish pizza with crispy crust and tomato sauce on top.