The Middle Ages live on here, and the aura is a bit spooky. We're sure the wretched prisoners held in dungeons here would agree with us. Even if you find the setting foreboding, the stunning panorama of Bergen's seaport is worth the trek here. This defense and residential tower was constructed in the 13th century by the governor of Bergenhus (Bergen Castle), Erik Rosenkrantz. Two older structures were incorporated into the tower: King Magnus the Lawmender's keep, from about 1260, and Jørgen Hanssøn's keep, from about 1520. It was rebuilt and enlarged in the 1560s. There are guided tours of the tower and Håkonshallen about every hour.