Visit the beautiful city of Cologne on this guided, full-day sightseeing tour from Frankfurt. Enjoy a scenic, 2-hour drive north to Cologne, then hop on a double-decker bus to see many of this 2,000-year-old city’s top attractions. Pass by the Romanesque Catholic Great St. Martin Church, bustling Roncalliplatz, the historic Alter Markt square, Cologne City Hall and much more. Then visit the Cologne Cathedral, Germany’s most-visited site, for a guided tour. On the return trip to Frankfurt, discover the medieval old town of Limburg.