A favourite place to visit for me too: most people's idea of what a medieval castle should be. The castle featured in the 1954 film "Men of Sherwood Forest" with Don Taylor, described by one reviewer as "humdrum", but which is in fact one of my favourites.
It's very eerie now to move around within the walls and see, for instance, the place where Robin Hood dropped down and made his dramatic escape after dark along with Friar Tuck.
Now, incongruosly in the bright sunshine of a warm Summer afternoon, an old lady sits on the same spot, nibbling on her sandwich, while nearby stands a little boy, my son, picking his nose...