Once a residence for Danish royalty, Dragsholm Castle was later used to hold prisoners of war and enemies of the state. They say you can still hear the groans of those forever trapped in the dungeon, and those entombed alive, brick-by-brick, within the walls. Sponsors!Gabi - Take two minutes and see if you can save up to $865 a year on car insurance at Gabi.com/HAUNTED. There are NO fees, NO forms, and NO spam.