Explore modern and quintessential Holland on a glass-top canal boat cruise through Amsterdam, before sailing through the countryside and witnessing traditional windmills. Enjoy a guided walking tour of magnificent Cologne and the juxtaposition of ancient Koblenz, continuing upstream to Heidelberg. Soak up Strasbourg’s beautiful architecture and, in Breisach, attend a Black Forest gateau presentation with tasting, and visit a typical Black Forest destination.