Category: fortification
- Chartreuse Fortress
- Svartholm fortress
- Dauphine Redoubt
- Festung Mark
- Форт Альту-до-Дуке
- Islamgarh Fort
- Baluarte de San Diego
- Royal Battery
- Lori Fortress
- Barcut (Berkolten) Lutheran Church
- Baluarte de San Andrés
- Southern bastion
- South-Eastern bastion
- South-Western bastion
- Western bastion
- North-Western bastion
- North-Eastern bastion
- Puerta Real (Royal Gate)
- Revellín de Puerta Real de Bagumbayan
- Fort Santiago (Fuerte de Santiago)
- Walls over a brook
- Fort Le Marchant
- LOHRA FORT (KILLA)
- Kastrup Fort
- Vilonya - román kori református templom
- Qila Mubarak/Gurdwara
- ДОТ
- Fort
- Jetty Fort Nani Daman
- Валы родового замка Ходкевичей
- Остатки замка Вишневецких
- Balvantgad, (vihigavcha killa.)
- Fort Wallington (site of)
- Fort Fareham
- North Weald Redoubt - London Mobilisation Centre / Former Ongar Transmitting Station
- Fort Farningham
- Westerham (Betsom's Hill) Fort
- Woldingham (Oxted) Fort
- Former Iraqi Army Forts
- Fort D
- Erődtemplom
- Biserica Evanghelica - Lutherana
- Fort du Gros Cerveau, Ollioules, Toulon
- Fort Madison (Ruins)
- Правая стена с коридором
- Levke Fortress
- Ancient Fortress "Regianum"
- Castello Campori
- Fort of British Police
- La cinta muraria
- La Porta Senese
- La Porta Grossetana