One of our favorite pastimes with the girls is going to the local castle and feeding the peacocks that live there.
For the older kids it might be interesting to visit various exhibitions that always take place in the Castle museum. You can find more info about it here.
There’s also a nice park around the Castle. It was a bit unkept, but starting this autumn it got all fenced up and it looks like it should get quite a makeover by the next season.