On the Road of Sculptures “Cerda & Celtoi” - art and the Celtics - 18 sculptures greet the visitor between the Celtic ring wall and the European Academy in Otzenhausen. Special features: These were created between 2005 and 2007 by artists stemming from the Celtic settlement of Ireland via Spain to Turkey. On the former tribal area of the Treverians, who built on Dollberg hill the largest Celtic fortress in Europe, a trip can be taken into the past. Through the forest and past impressive rock formations the hikers can discover the beautiful low mountain range landscape.