The barony of Rosendal was originally the Hatteberg estate and a wedding present for Karen Mowat, Norway's richest heiress at the time, and Ludvig Rosenkrantz upon their marriage in 1658. …
Gamlehaugen with a beautiful park and a small beach. According to the locals, this is the summer residence of King Harald, but personally I would find it too loud. Unfortunately, cycling is not allowed in the park itself.