Superkilen is a great place to visit, if visiting Copenhagen during the summer time.
Superkilen a public urban park area that stretches 750 meters through the part of Copenhagen called Nørrebro. It was designed by Superflex and architects B.I.G. Its design is meant to reflecting the ethnic diversity of this part of the city (50 different ethnic groups live together here).
It is especially perfect as an outdoor space for a visit with children, as there are plenty of playground options along the park.