3 Must-See Hop-off AttractionsThe first must-see destination on the route definitely has to be the Adventure zoo, also known as the Erlebnis-Zoo, situated at Bus Stop 2. With over 3000 animals and fun exhibits, it's a great day out for all the family. Next up, is the Royal Gardens of Herrenhausen at Bus Stop 4, which is deemed as one of Europe's most beautiful gardens. It's spectacular water feature and bright green mazes make it well worth a visit. Another must-see attraction is the Old Town Hall. Its remarkable architecture and grand design really gives it the wow factor.