hillfort
type of earthworks used as a fortified refuge or defended settlement
Black Castle
hillfort in East Lothian, Scotland, UK
King's Castle
hillfort in Somerset, England, UK
The Frith
hillfort in Hampshire, England, UK
Saint Christina Castle
Castle in Galicia
Altes Schloss
building in Eggolsheim, Upper Franconia, Germany
Kulan
ancient settlement in Zhambyl Region, Kazakhstan
Cleeve Toot Camp
hillfort in North Somerset, England, UK
Kuntsevo settlement
former settlement, archeological site in Filevsky Park, Moscow
Castro de Vigo
hillfort in Vigo (Spain)
Roden
fortified medieval settlement in Ukraine
Beacon Castle
iron Age hill fort in England
Castle Old Fort
hill fort in Stonnall, England
King's Castle
Iron Age enclosed hilltop settlement in Somerset, England, UK
Monte do Castro
hillfort in Ribadumia (Spain)
Golden Hills
an archeological site in Russia