What Fortress used as a palace and prison has the Festning tunnel running underneath it?
Akershus Fortress Akershus Fortress (Norwegian: "Akershus Festning" ) or Akershus Castle (Norwegian: "Akershus slott" ) is a medieval castle that was built to protect Oslo, the capital of Norway. It has also been used as a palace and as a prison.
Little Castle Little Castle (Slovene: "Mali grad" ) in Kamnik, Slovenia, once formed part of a castle constructed in the 11th or early 12th century at the strategic site above the narrow passage near an important trail. The Romanesque chapel of St. Eligius is one of the most important Slovene medieval monuments, despite later alterations, and is one of the oldest of its kind in Europe. The chapel features a wooden ceiling and exquisite fresco paintings. Kamnik's Medieval Days festival takes place at the foot of the castle every June.