The route goes through the German state of Bavaria. You will find everything your Gnther desires here. Fairytale castles like the Neuschwanstein are inspiration of the Disneyland castle. Beer recipes go back 400 years. Hike through mountain valleys to find glaciers. You can hit the slopes in the winter.
The route goes through the state of Rhineland. The Rhine is a densely populated expanse of rivers, vineyards, and cities. You can travel between major cities like Cologne, Aachen, and Dsseldorf in less than an hour. The ruins of Trier are the oldest city in Germany and were once the capital of the Roman empire. You can also take a cruise on the river that gives the region it's name.
The route goes along the north coast. Bookended by Germany's two most famous and beautiful islands, Rgen and Sylt, this route will ensure you can see the sea at all times. Many of the cities along this route were members of the Hanseatic League. The area is known for its excellent bike trails, which make it all the more welcoming.
The route goes east You can travel through the former lands of the German Democratic Republic. There are both old Soviet-style factories that decay and unspoiled forests and lakes. You can take the train from Berlin to the reconstructed Baroque city center in just a few hours.
There is a tour called the grand tour. All of Germany's major cities can be visited by rail in a few days. Start in the historic Rmerberg neighborhood in Frankfurt, an hour away in Cologne, witness the Cologne Cathedral, or two hours later, check out Berlin's impressive museums or party the night away. You can sit down in a traditional biergarten at the end of your journey if you take a four hour ride.
There are photos in this section of GNTB.