Head over to the Cologne Cathedral (UNESCO World Heritage Site) and the city's lovely Old Town Learn More Combine your trip to Cologne with a visit to Phantasialand Learn More Indulge in sweet temptations at the Chocolate Museum in Cologne Learn More See More Calling all party people! Cologne Carnival is not to be missed Take in the views on a tour of the magistic Rhine river Enjoy terrffic shows and concerts at the nearby venues Palladium and E-Werk See Less