If you are a Porsche fan you should visit the Porsche museum. This museum is open to the public and it costs just a few euros to get in. This is not the only collection of Porsche vehicles. A few blocks away from this museum is a secret building that stores a wide range of prototype vehicles and other projects that the brand has worked over years. There are a various range of race cars and some special projects done by Porsche for other automakers.