2 Best Sights in Düsseldorf, The Rhineland

The Kö-Bogen II office complex bills itself as having Europe's largest green façade, with eight kilometers of green hedges and approximately 30,000 plants in total.

A squat tower is all that remains of the palace built by the Berg family, which ruled Düsseldorf for more than five centuries. The tower also houses the SchifffahrtMuseum, which charts 2,000 years of Rhine boatbuilding and navigation.