The Cathedral of Cologne
A structure of pure High Gothic, this cathedral is impressive. Though mass is known to have been celebrated in this spot as early as 313 AD, the current cathedral was begun in 1248 and continually worked on until 1509. It was, however, still incomplete and construction did not pick up again until the 19th century. The construction of the cathedral was finished in 1880, more than 632 years after its conception.
Incidentally, the cathedral is 359 feet high and surrounded by a fairly tight courtyard, so I couldn't get the whole front facade in a single photo.
As Europe's largest economy and most populous nation, Germany remains a key member of the continent's economic, political, and defense organizations. European power struggles immersed Germany in two devastating World Wars in the first half of the 20t... ... read more 
