Visit Paris (Arc de Triomphe, Place de la Concorde, The Louvre), Cologne (Cologne Cathedral), Frankfurt, Amsterdam, Brussels (Grand Place, Manneken Pis), Bonn (Beethoven Haus), Koblenz, Luxembourg City, Trier (Porta Nigra), Versailles (Palace of Versailles).
Visit Amsterdam, Bonn (University of Bonn), Brussels (Manneken Pis), Hague, Cologne (Cologne Cathedral), Luxembourg City (Adolphe Bridge, Grand Ducal Palace, Place de la Constitution), Trier (Karl Marx Haus, Porta Nigra).
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Visit Paris (Arc de Triomphe, Place de la Concorde, The Louvre), Cologne (Cologne Cathedral), Frankfurt, Amsterdam, Brussels (Grand Place, Manneken Pis), Bonn (Beethoven Haus), Koblenz, Trier (Porta Nigra), Versailles (Palace of Versailles).