Heidelberg Castle is a famous ruin in Germany and landmark of Heidelberg. The castle ruins are amongs the most important Renaissance structures north of the Alps. The castle has only been partially rebuilt since its demolition in 17th and 18th centuries. It is located 80 metres up the northern part of the Konigstuhl hillside, and thereby dominates the view of the old downtown. The earliest castle structure was built before AD 1214 and later expanded into 2 castles circa 1924; however in 1573, a lightning-bolt destroyed the upper castle. The spresent structures had been expanded by 1650, before damage by later wars and fires. In 1764, another lightning-bolt destroyed some rebuilt sections.
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