Roll up! Roll up! If you're a kid at heart, make your way to Cannstatter Wasen. Check if a show or fair is being held while you're here.
Located in Bad Cannstatt, this outdoor exhibition area is worth a look. But you'll find plenty more to discover in the area. Porsche Museum, Mercedes Benz Museum, and Mercedes-Benz Arena aren't too far from Cannstatter Wasen.