St. Veit an der Glan, AT
Burgruine Karlsberg is a castle in Carinthia, Austria. The fortification sits of a 700-metre (2,300 ft) high ridge separating the Zollfeld plain from the Glan valley and is thought ot have been built by Karl von Projern in 1160. The first mention of the castle in historical documentation is 1168, wh
en it is referred to as Charlsperch "Charles's Mountain".
Listen to the audio guide for Burg Karlsberg Free on WIP — starts by itself when you arrive, even with the screen off