Fortification

Lilia fortifications of Maastricht Castle of the Pure and Clean Conception of Monfort de Lemus oppidum Nordberg fort torpedo battery Molotov Line Zenon Tower Neuendorf Flèche Cairo Citadel defensive tower Breakers Point Naval Guns Fortifications of Chania Porta Claudia principia Fort Morris National redoubt Torre Mocha Security Position North Royal Military Canal Cat Lo Naval Base castle entrenchment Coastal fortifications of colonial Chile Military Historical Museum of Artillery, Engineers and Signal Corps Tata medieval fortification Princess Royal's Battery Lunetta Santo Stefano dugout Block House Alamo Mission in San Antonio Castillo de La Guardia Castillo de la Laguna Torre del Lucero Kau Point Battery tabor San Juan National Historic Site Castillo de San Fernando Fortifications of Lyon artillery fortress fortified line The Citadel, Montreal Fort Rotterdam city walls of Pavia Bodine Castle Gurit Castle Elbasan Spa Castle Donjon Ter Heyden Ancient Roman walls in Aosta