To be honest, yo won´t go wrong with both cities, both are interesting and worth a visit.
Ich fürchte nur, das wird TA nicht interessieren.
Both cities are different but I prefer Cologne.
Düsseldorf is more posh, the Altstadt is larger, more busy, loud and crowded. The Rhine promenade is indeed very...
I just read that you can meet the Nikolaus every day at 5 PM at the Nikolausdorf on Rudolfplatz
Sorry, but I think that both are too young for any museum.
There are Indoor playgrounds but not in the center. Hopefully somebody can give some suggestions abo...
She has gotten some suggestions on the Germany forum.
Did you ask the shop for opening hours? Because according to their website they are different:
Mo - Do: 10.00 - 13.00 Uhr
und 15.00 - 18.00 Uhr
Freitag: 10.00 -...