Håkon´s Hall: The main building in Norway's first castle, built between 1247 and 1261 by King Håkon Håkonsson as a royal residence and banquet hall. The Rosenkrantz Tower: Regarded as the most important Renaissance monument in Norway. The Rosenkrantz Tower was the residence of one of Norway’s most significant kings, Magnus the Lawmender, in the 13th century. Parts of the tower are from the 1270s and were built by Mangus the Lawmender Håkonsson, but it has been extended several times for pursposes of fortification and offices for the govenors of Bergen. In the 16th century it became the governor´s castle.