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The city of Koln (Cologne) is located near the western border of Germany and was once the largest city in Germany (during the Middle Ages).  It was severely damaged during World War II.
 
Despite damage, Koln's giant cathedral survived the war.   This massive cathedral contains some excellent artwork as well as a great viewpoint (which is accessible via a long, long walk up the stairs). 
 
Koln also has several interesting museums including the Ludwig Museum (20th century art) and the Schokoladen Museum (all about chocolate!).
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Travel Tips from people who've been to Koln
There are quite a few areas and places where you can party.
Altstadt is mainly for tourists. If you want to get drunk fast with fellow travellers you are most likely to meet them there. Peters Brauhaus provides good food and not so good beer, the Paeffgen Brauhaus vice versa.
Kwartier Lateng (Zulpicher Straße) is for students and young persons who want to drink and have a good time. Party and concerts also in the Prime Club/Luxor, the Blue Shell and the mtc.
Friesenviertel is for the more well-to-do people. Make sure to check out the Paeff (not to confuse with the Paeffgen!). Often there are quite good DJs at work.
Ehrenfeld is for students and more alternative folk. Lots of nice pubs, bars, clubs and more. The Underground, the Live Music Hall (rock, alternative), the Sensor Club (dance), the Art Theater (funk, Drum'n'Bass), the Sonic Ballroom (punk, indie) are must-sees when you are in Ehrenfeld.

Besides that there are a few cool clubs and classic bars. Schreckenskammer and Elektra in Altstadt-Nord, Gebäude 9 in Deutz, Westbahnhof, Tor 2 right next to the central station, Apropo in the Severinsviertel,.....
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Personally I love to travel and go on a Cathedral exploration. The architecture of the cathedrals are amazing, the artifacts astounding and the artwork is breathtaking! Here are my favorite cathedrals in Europe: Most Beautiful Cathedrals in Europe
Basilica di San Marco in Venice, Italy Roskilde Cathedral in Zealand, Denmark Cologne Cathedral in Cologne, Germany Wawel Cathedral in Krakow, Poland Stephansdom Cathedral in Vienna, Austria Chartres Cathedral in Chartres, France Notre Dame in Paris, France Cadiz Cathedral in Spain Sagrada Familia in Barcelona, Spain Sant’ Antimo near Montalcino, Italy Hagia Sophia in Istanbul, Turkey  Duomo, Milan (Italy)  Pechersk Lavra, Kiev (Ukraine)  St. Michael and St. Gudula Cathedral, Brussels (Belgium) . St. Vitus Cathedral, Prague (Czech Republic)  Beauvais Cathedral, Beauvais (France) Cathédrale Saint-Étienne de Metz, Metz (France)  Westminster Abbey, London (England) Trier Cathedral dom (cathedral) Aachen dom (cathedral) Kevelaer dom (cathedral) Amiens dom (cathedral) Brussels
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Check out the cathedral (just near the main train station), one of the most beautiful in Europe. The cathedral was once the tallest building in the world, and was one of the few structures to have escaped the destruction of World War 2. The chocolate museum, located about a kilometer (or half a mile) from the cathedral, is also a must see. Situated on a small island just off the bank of the river Rhine, the Imhoff Stollwerck Museum boasts its own miniature rain forest (contained within a green-house of sorts) and mandatory chocolate fountain - a dream come to life for any Willy Wonka fan!

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Recent Updates for Koln
2 mons ago
Lambert C. wrote a tip on Koln
8 mons ago
Personally I love to travel and go on a Cathedral exploration. The architecture of.. (More)
Alexander R. wrote a tip on Koln
8 mons ago
Despite the fact that I don`t know much about Cologne and I don`t know any cool.. (More)
10 mons ago
Craig H. wrote a review on Altstadt, Koln
1 year ago
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