7) Cologne

     Situated on the Rhine River in the German federal state of North Rhine-Westphalia, Cologne is one of the most popular places to visit in Germany. The city offers a vibrant array of attractions, buzzing nightlife and a stellar arts and culture scene. Cologne also packs impressive landmarks such as the city’s informal symbol, the Cologne Cathedral, a stunning Gothic church. Moreover, the Twelve Romanesque Churches are magnificent examples of medieval architecture.