Claim: Stapelburg's ruined medieval castle, first mentioned in a 1306 deed, was built to guard the road on the northern edge of the Harz mountains.
Evidence: The Stapelburg (German: Burg Stapelburg) is a ruined mediæeval castle built to guard the road on the northern edge of the Harz mountains at Stapelburg in the district of Harz in the German state of Saxony-Anhalt. The Stapelburg was built before 1306 by the Counts of Wernigerode to guard the military road that connected the counts' main ancestral castle with the imperial and mining town of Goslar.