If your trip to Arum is all locked in but your travel itinerary is a bit on the empty side, let us give you a helping hand.Planetarium is a must-see attraction in this wonderful city. Stop by and find out what all the hype is about.There's nothing like discovering new places. While you're in the area, Museum Hannemahuis Harlingen and Kaatsmuseum ought to be among them. One more sight to bear in mind is Galerie de Vis.