...... I say there are many, because I plan to visit them all. Here is the guide I will follow and as soon as the nice weather allows, I'll start my castle-wandering in Denmark. That reminds me: I will need a WildCard (the card that offers discounts up to 50% on train tickets here).
I remember the first time I saw some of the castles in Copenhagen, in 2006 :) lovely memories.
The list I need