Tags
- A
- Abatis
- Acre
- Acropolis
- Adams–Onís Treaty
- African Americans
- Agger
- Air-raid shelter
- Alcazaba
- Alcázar
- Al Centro
- Alessandro Scarioni
- Alexandre de Moraes
- Algiers
- Alhóndiga
- Alhucemas Islands
- Allá
- Alonso de Ercilla
- Alonso de Ojeda
- Al Porto
- Álvar Núñez Cabeza de Vaca
- Amba
- Ambrogio Spinola, 1st Marquis of the Balbases
- Andrés de Urdaneta
- Anglo-Spanish War
- Annaba
- Antigua Guatemala
- Antonio de Ulloa
- Apucarana
- Arabic poetry
- Arequipa
- Arizona
- Arrowslit
- Arsenal
- Aruba
- Asiento
- Asientos Municipality
- Bailey
- Banda Oriental
- Barbed tape
- Barbed wire
- Barbette
- Barbican
- Barricade
- Bartizan
- Bastion
- Bastion fort
- Batman: Arkham City
- Battlement
- Battle of Boyacá
- Battle of Lepanto
- Battle of Mactan
- Battle of Manila Bay
- Battle of Nördlingen
- Battle of Pavia
- Battle of Pichincha
- Battle of Rocroi
- Battle of San Juan
- Battle of Trafalgar
- Battle of White Mountain
- Bawn
- Béjaïa
- Bent entrance
- Bergfried
- Berm
- Bernardo de Gálvez
- Bizerte
- Blas de Lezo
- Blast shelter
- Blast wall
- Blockhouse
- Blumenau
- Bogota
- Bomb shelter
- Bonaire
- Boom
- Border barrier
- Border outpost
- Border Security
- Borsalino
- Brazilian real
- Breastwork
- Bremer wall
- Bretèche
- Bridge tower
- British anti-invasion preparations of the Second World War
- Broch
- Bullring
- Bunker
- Burh
- Cabildo
- Caër
- California
- Caltrop
- Calusa
- Camaldoli
- Campeche
- Campo Maior
- Canal
- Cape Canaveral
- Cape Juby
- Caponier
- Captaincy General of Cuba
- Captaincy General of Guatemala
- Carlist Wars
- Caroline Islands
- Cartagena, Colombia
- Casablanca
- Casa de Contratación
- Casemate
- Casta
- Castellum
- Castle
- Castle town
- Castra
- Catholic Monarchs
- Cavalier
- Cave castle
- Cavite City
- Cebu City
- Celaya
- Čelje
- Ceuta
- Chafarinas Islands
- Chalchihuites Municipality
- Charles Felix of Sardinia
- Charles V, Holy Roman Emperor
- Château
- Chemin de ronde
- Chemise
- Christopher Columbus
- Churrigueresque
- Circular rampart
- Citadel
- City gate
- Ciudad Colonial
- Ciudad Valles
- Civil defense
- Coastal artillery
- Coastal defence and fortification
- Collection
- Colonial Spanish Horse
- Concertina wire
- Conquest of Tunis
- Conquistador
- Consulate of the Sea
- Continuity of government
- Convent
- Corner tower
- Coro, Venezuela
- Corrupção
- Corse
- Council of the Indies
- Counter-castle
- Counterscarp
- Coupure
- Covertway
- Crannog
- Crimes
- Criollo people
- Crown of Aragon
- Crown of Castile
- Cuatro Ciénegas
- Cuenca, Ecuador
- Cuencamé
- Cuernavaca
- Cumberland Island
- Curacao
- Curtain wall
- Cusco
- Czech hedgehog
- Defense Language Institute
- Defense line
- Defensive fighting position
- Defensive wall
- Della
- Diego de Almagro
- Disappearing gun
- Ditch
- Djerba
- DOI
- Doubloon
- Douglas, Arizona
- Dragon's teeth
- Drawbridge
- Droga
- Duchy of Milan
- Dun
- Dungeon
- Dzong architecture
- Eighth Crusade
- Eighty Years' War
- Electric fence
- El Jadida
- El Paso, Texas
- El Salvador
- EM
- Embrasure
- Em Mg
- Enceinte
- Encomienda
- End
- Enlightenment in Spain
- Entrenchment
- Fall of Tenochtitlan
- Fallout shelter
- Farol
- Federated States of Micronesia
- Ferdinand Magellan
- Fermata
- Fernando Álvarez de Toledo, 3rd Duke of Alba
- Festival Kanzunetta Indipendenza
- Festung
- Fire control tower
- Fire support base
- Fleche
- Food
- Fort Barrancas
- Fort Caroline
- Fortification
- Fortified church
- Fortified house
- Fortified tower
- Fort San Pedro
- Forward operating base
- Franche-Comté
- Francisco Pizarro
- Francisco Vázquez de Coronado
- French Wars of Religion
- Fresnillo
- Fronteras
- Gabion
- Galliera
- Gaspar de Portolà
- Gatehouse
- Gate tower
- Giannutri
- Gibraltar
- Glacis
- Golden Gate National Recreation Area
- Gonzalo Jiménez de Quesada
- Gord
- Gorge
- Granada, Nicaragua
- Granada War
- Great Siege of Malta
- Guale
- Guam
- Guanajuato
- Guard tower
- Guerrero, Coahuila
- Gunpowder magazine
- Gun turret
- Habsburg Spain
- Hacienda
- Hagåtña, Guam
- Half tower
- Hardened aircraft shelter
- Height
- Hermosillo
- Hernán Cortés
- Hill castle
- Hillfort
- Hilltop castle
- Historic center of Mexico City
- History of Haiti
- History of Morocco
- History of the Philippines
- History of Trinidad and Tobago
- Hoarding
- Homes
- Hornwork
- Housing
- Ifni
- IL
- Iloilo City
- Imperial castle
- Indian River Lagoon
- Indigenous peoples of the Americas
- Inner bailey
- Innovation
- International Standard Book Number
- Intramuros
- Island castle
- Italian General Confederation of Labour
- Italian Wars
- IT risk management
- Jackson Square
- Jagdschloss
- Jalpan de Serra
- Jamay
- Japanese castle
- John of Austria
- Journalism
- Jovem Pan
- JSTOR
- Juan Bautista
- Juan Fernández
- Juan Sebastián Elcano
- Kabal
- Kaiserpfalz
- Karnes County, Texas
- Kasbah
- Keep
- Kingdom of France
- Kingdom of Great Britain
- Kingdom of Naples
- Kingdom of Sicily
- Knights Hospitaller
- Kremlin
- Ksar
- Lagos de Moreno
- La Goulette
- L'Altra
- Landesburg
- Land mine
- Landwehr
- La Noche Triste
- La Paz
- Larache
- Latin
- Laws of the Indies
- León, Guanajuato
- León, Nicaragua
- Lessa Em
- Limés
- Loophole
- Loreto, Baja California Sur
- Louisiana
- Lunette
- Lupe Fiasco
- Lustschloss
- M
- Machicolation
- Magazine
- Mahdia
- Malabo
- Malolos
- Manila galleon
- Manuel Benavides
- Mapimí, Durango
- Mare Della
- Martello tower
- Medieval fortification
- Mediterranean
- Melilla
- Merlon
- Mers El Kébir
- Mesoamerican literature
- Military base
- Missile launch facility
- Mission Revival architecture
- Mission San Francisco de Asís
- Moat
- Monastir, Tunisia
- Monterey, California
- Monterey Colonial architecture
- Montt
- Morelia
- Motte-and-bailey castle
- Murder-hole
- Museum
- Mustang
- Naples
- Nas Parte
- Naval Air Station Pensacola
- Nazas River
- Neighborhoods in San Francisco
- Neoclassical architecture
- New
- New Home
- New Laws
- New Spain
- Nicolás de Ovando y Cáceres
- No
- Nochistlán
- Northern Catalonia
- Northern Mariana Islands
- Nuraghe
- Oaxaca City
- Ojocaliente, Zacatecas
- Ojuelos de Jalisco
- Old Havana
- Old San Juan
- Old Town
- Old Town Albuquerque
- Old Town, San Diego
- Oppidum
- Oral history
- Oran
- Orbetello
- Ordensburg
- Ostrog
- Otomi
- Outer bailey
- Outpost
- Outwork
- Oxnard, California
- Palanka
- Palas
- Palau
- Palestina
- Palisade
- Pánfilo de Narváez
- Papal bull
- Paraíba
- Parral, Chihuahua
- Parris Island, South Carolina
- Paulo Afonso
- Pedro de Alvarado
- Pedro de Valdivia
- Pedro Escobedo
- Pedro Menéndez de Avilés
- Peel tower
- Peninsular War
- Peñón de Vélez de la Gomera
- Pensacola, Florida
- Philip II of Spain
- Philippines
- Picket
- Pillbox
- Pirate
- Płaza
- Plaza de Armas
- Polícia
- Popayán
- Portcullis
- Porto Azzurro
- Porto Ercole
- Porto Santo Stefano
- Portuguese Restoration War
- Postern
- Powder Tower
- Prefect
- Presidio La Bahía
- Presidio of Monterey, California
- Presidio of San Francisco
- Presidio Park
- Presidio, Texas
- Promontory fort
- Public Access
- Puebla
- Puerto Montt
- Punji stick
- Pure Storage
- Qalat
- Quadrangular castle
- Queen Anne's War
- Quito
- Quito School
- Radio journalism
- Rampart
- Ravelin
- Real Audiencia
- Real Audiencia of Charcas
- Recognized
- Reconquista
- Redan
- Redoubt
- Reduit
- Renaissance architecture
- Research
- Research center
- Retrenchment
- Revetment
- Revolt of the Comuneros
- Ribat
- Ricetto
- Ridge castle
- Ringfort
- Rio Branco
- Rocca
- Rock Castle
- Rococo
- Romoli
- Rondônia
- Ronnie Lessa
- Roundel
- Royalist
- Sack of Rome
- Sally port
- San Antonio
- Sandbag
- San Diego
- San Fernando, Pampanga
- Sangar
- San José del Cabo
- San Juan del Río
- San Luis Potosí
- San Miguel de Allende
- Santa Barbara, California
- Santa Cruz de la Sierra
- Santa Cruz de Mompox
- Santa Elena
- Santa Fe, New Mexico
- Santa Rosa Island
- Santiago de Cuba
- Sáo
- Sardinia
- Schanze
- Schloss
- School of Salamanca
- Schwedenschanze
- Sconce
- Sentry gun
- Seven Years' War
- Shell keep
- Shield wall
- Siege
- Siege engine
- Siege of Leiden
- Siege of Vienna
- Sistema
- Slow
- Slow Food
- Sonoma, California
- Sonora
- Sousse
- Spain
- Spanish–American War
- Spanish Armada
- Spanish Civil War
- Spanish Colonial architecture
- Spanish Colonial Revival architecture
- Spanish colonization of the Americas
- Spanish conquest of the Aztec Empire
- Spanish Constitution of 1812
- Spanish dollar
- Spanish East Indies
- Spanish Empire
- Spanish Florida
- Spanish Golden Age
- Spanish Inquisition
- Spanish Legion
- Spanish Netherlands
- Spanish protectorate in Morocco
- Spanish Road
- Spanish Sahara
- Spanish Texas
- Spanish treasure fleet
- Spanish West Indies
- Spider hole
- State of the Presidi
- Station
- St. Augustine, Florida
- St. Joseph Bay
- St. Joseph Peninsula
- Stockade
- Strait of Gibraltar
- Subterranean warfare
- SUCRE
- Talamone
- Tampa Bay
- Tangier
- Tayabas
- Tempo
- Tenaille
- Tequesta
- Tercio
- Thiago Brennand
- Tidore
- Tombstone, Arizona
- Tower castle
- Tower House
- Town
- Treaty of Lisbon
- Treaty of Tordesillas
- Tremembé
- Trench
- Trench warfare
- Tubac, Arizona
- Tucapel
- Tucson, Arizona
- Tunis
- Tunnel warfare
- Turret
- Un
- Underground hangar
- Urban guerrilla warfare
- Urban warfare
- USB
- Uses
- Vallum
- Vasco Núñez de Balboa
- Vedette
- Veracruz
- Viceroy
- Viceroyalty of Peru
- Viceroyalty of the Río de la Plata
- Vigan
- Villanueva, Zacatecas
- Villa Unión
- Wagon fort
- War of Jenkins' Ear
- War of the League of Cognac
- War of the Spanish Succession
- Watchtower
- Water castle
- Weapons Storage and Security System
- Weapon storage area
- Western Sahara conflict
- Wire obstacle
- Witch tower
- Yagura
- Yett
- Zacatecas
- Zamboanga City
- Zimapán
- Zwinger