Example image of eyePlorer eyePlorer map for 'Ravelin': Bastion Fortification Outwork Lunette (fortification) Major-General's Song Mamelon (fort) List of established military terms Star fort Caponier Rio Castle Fortifications of Zürich Landguard Fort Lines of Torres Vedras List of Norwegian fortresses Nikolai Schedrin Valletta Siege of Bergen op Zoom (1747) Fort Cumberland (England) Muiden Fort Jay Kärnäkoski Fortress Gates of Belgrade Barraux Fort George, Highland Battle of Fort Washington Indre By Kastellet, Copenhagen Saarlouis Brest Fortress François, marquis de Chasseloup-Laubat Fort Ticonderoga Modlin Fortress Tilbury Fort Siege of Breda (1637) List of cities with defensive walls Fortifications of Brussels Casale Monferrato Battle of Vienna Intramuros Tantallon Castle Sergey Nechayev Cyprus in the Middle Ages