Claim: Stapelburg's ruined medieval castle, first mentioned in a 1306 deed, was built to guard the Harz mountains.
Evidence: Stapelburg Castle was first mentioned in a 1306 deed as a property of the Counts of Wernigerode; it was meant to protect and control the trade route to the Imperial City of Goslar near the border with the Principality of Brunswick-Wolfenbüttel.