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A castle ruin. Built by King Valdemar II (1170-1241) for his wife Dagmar in the 12th century. It was passed on to Seignory, and eventually to decay. Many of building materials were used to reconstruct a local mill after a fire, and so only the foundations remains, but there are nice views over the lake.
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Erected as a monastery by Absalon, the founder of Copenhagen, in the 11th century for the Carthusian Order, it was converted to a palace, taken over by the king, and abandoned after a fire. Archaeological excavations have since exposed the foundations and remaining parts of the walls, and the old moat also remains. Nearby is another excavation of an abandoned village and a number of Tumulus inside the forest
A special area of Tisvilde Hegn where 100–200-year-old weather-worn Scots pines with twisted and crooked branches create a peculiar atmosphere, which has prompted locals to dub the area the - enchanted or troll - forest. The phenomenon is caused by strong winds and poor soil conditions.
Æbelholt Abbey Museum
The ruins of the largest medieval Augustinian abbey in the Nordic countries. The small museum on the grounds, has exhibitions about the medical history of the Augustinian order, including a garden with medical herbs, and some 300 skeletons on display! Once every year there is a middle age themed market day held, at the grounds around mid+June.
A historic 65-meter hill-top in the middle of the forest, which towers (well, at least for Denmark) above the surrounding area's and offers some nice views over Northern Zealand. The site was home of the massive fruebjergmødere gatherings at the turn of the 19th century, closely related to Grundtvigs folk high school movement. A tradition that has been revived.