Stuttgart's automotive fame has long spread beyond Germany. Here are the headquarters of two automotive giants, Mercedes-Benz and Porsche, whose museums are definitely worth a visit, even if you don't think you're into cars. In addition to automobile attractions, Stuttgart boasts two castles, the ancient Villa Solitude, luxurious parks and cathedrals, and a beautiful zoo located on the territory of the palace complex. Take the time to climb the Karlshöhe hill to stroll through its vineyards, taste local wines and admire the view of Stuttgart.