Frederiksborg Castle

A sculpture park above the Sound with works by Calder and Henry Moore, and a children's wing of its own.

Three floors of free open workshops where kids 4 to 16 paint, draw and build, taking their ideas from the art in the galleries.

Halls of planes and bicycles, a space exhibition and a room of video games, plus Danish history built in miniature.

Old farms, mills and houses, more than 50 of them, with farm animals, a wooden windmill run by volunteers and a play village.

A forest deer park with roughly 2,100 deer wandering wide paths, a royal hunting lodge and a historic amusement park at its edge.

Run by the University of Copenhagen, with touch pools and tanks holding the sea life of the Øresund.