1) Castle in Saxony-Anhalt 
The Ackeburg, also called the Ackenburg, in the Harz Mountains of central Germany, is the site of a high medieval hill castle, {Höhe|333.2|DE-NN|link=true}, in the borough of Falkenstein/Harz in Harz district in the state of Saxony-Anhalt. It was first mentioned in 1216 and was abandoned or destroyed in 1400. There was also a village associated w...