Landforms of Thuringia

The Kyffhäuser (, sometimes also referred to as Kyffhäusergebirge) is a hill range in Central Germany, shared by Thuringia and Saxony-Anhalt, southeast of the Harz mountains. It reaches its highest point at the Kulpenberg with an elevation of . The range is the site of medieval Kyffhausen Castle (Reichsburg Kyffhausen) and the 19th century Kyffhäuser Monument; it has significance in German traditional mythology as the legendary resting place of Emperor Frederick Barbarossa.

cave

The Walpersberg is a sandstone mesa on the west bank of the Saale near Kahla in Thuringia, Germany, formed around 60 million years ago. It is notable for formerly housing the REIMAHG-A aircraft factory, an underground facility for the production and assembly of the Messerschmitt Me 262 fighter jet during World War II.