Best Cologne Tours from Mainz

Germany's fourth largest city that is bordered by the Rhine River can be recognized by its stunning landmark of Cologne Cathedral. Cologne originated as a Roman colony during the 1st Century. Today, the city has 42 museums among its many cultural attractions. Points of interest include Cologne Cathedral, University of Cologne, Cologne City Hall, Museum Ludwig, Roman-Germanic Museum, the twelve Romanesque churches of Cologne, and the Colonius TV Tower.