Bodensee is a large lake where the borders of Germany, Switzerland and Austria meet, where you can explore various cities and towns while taking a boat ride. Especially cities such as Bodman-Ludwigshafen, Konstanz, Meersburg and Überlingen are great spots for boating. You can also explore cities such as Kiel and Eckernförde while taking a boat ride, and then visit cities such as Müritz National Park and Waren in northern Germany.