Take a tour of Chateau Eggenberg in Graz, Austria -- part of the World's Greatest Attractions travel video series by GeoBeats. The Eggenberg Castle in Graz, Austria is a synthesis of European cultures and artistic styles. Designed and built intermittently throughout the Middle Ages, the Castle is meant to reflect universal harmony and mystery. The interior decor reflects a reverence for astrological and mythological ideas. Balkan, German, and Mediterranean persuasion can all be seen in this majestic Chateau. Each level and room offers an indication of Austria's stately and diverse history. Because it embodies this history, the Eggenberg Castle is a UNESCO World Heritage Site. .