 The high keep on the site of the former upper Kyffhausen castle is accessible and houses two exhibitions.Parts of the old gate structures have also been preserved.The Castle Museum focuses on the history of the ancient castle complex, the "Barbarossa Saga" and the construction history of the Emperor Wilhelm monument.The Museum also exhibits numerous artefacts, that were unearthed during excavations and conservation work by the Kyffhäuser Federation in and around the medieval castle.