Permanent and temporary exhibits enhance the understanding of this castle for which 17th century author and illustrator Janez Valvasor is renown. Wagensberg, in German, was also a home base for the Duchess of Mecklenburg, who prior to WWI uncovered thousands of Iron Age artifacts. Part of her collection belongs to Harvard’s Peabody Museum and Harvard Press has published a book about her finds in Slovenia and Hallstatt.