Category: fortification
- Fort Pitt Flag Bastion
- Tregantle Fort
- Fort St. John (Old Spanish Fort)
- Fort Saint Nicolas
- Atlantic wall
- Ligne Maginot B1 Blockhaus de l'Observatoire
- Pipinsburg
- Erdene Zuu monastery
- Battery Selfridge
- Margarethenwall
- Cetatea Tabla Buţii / Tabla Buţii Fortress
- Defensive barracks in Modlin
- Morjan 10; keltische Befestigungsanlage (Oppidum) bei Heroldingen
- Borikata - ruins
- Russian fortress
- Батарея «Демидов»
- Антична крепост „Калето”
- Gate of the Vault
- Заброшенный орудийный блок ББ-27
- Liugou fort
- Заброшенный тобрук
- 4-й орудийный блок
- Fort Taalchidi
- Surera Fort
- Ancient city of Hezhou/ Heicheng
- Chengzi fort ruins
- Бункер
- Фортификационное сооружение
- Fort
- Weiping fort
- Sanjing fort
- Zhongyang city wall
- Jicui Fortress
- Ruined fort
- Xiangshui fortress
- Zhangzhai fort
- Anding fortress
- Guide fort
- Yuwang Fortress
- Fangcuo fortified village
- Walled city of Dangxian
- Остатки укреплений с обороны 1854-1855гг. (ров и вал)
- Fuping fortress
- Garrison
- Xisha fort
- Fort Gaspareaux National Historic Site
- Красный форт (Малая крепость)
- Yanhe fortress
- Longmen Fortress
- Guanshang fort
- Baimaguan fort
- Xiaying fort