Category: fortification
- Begur Fort
- Tour Perrine
- Liao dynasty outpost
- Fort
- Bateria Defensiva de Santa Catalina
- Fort ruins
- Garrison
- Ruins of garrison
- CC 24T
- CC 1T
- CC 74T-BC23
- CC BC17 Terville
- PC Bergbusch
- CC 31M Laicher Est
- CC 29M
- CC 27M
- Nandongzhuang Fort
- CC 46M
- CC 25M
- Garrison ruin
- Trace of garrison
- Garrison
- Garrison
- Fenghuang city walls
- Fort
- CC 49M
- CC 59M
- CC 69M
- Hill fort
- Fort
- Outpost
- Luzigou fort
- Tacheng Fortress
- City walls
- Руины береговых зенитных артиллерийских батарей Memel-Süd
- Anfu fort
- CC Mairupt
- Fort
- Fort
- Zhenbei Fort
- Ruined fortress
- Outpost
- Fortress
- Fuxian Fortress
- Ancient fort
- Tourelle
- Bumbulių senovės gynybinis įtvirtinimas
- Tour Claudine
- Ruins of ancient city walls of Pan state
- Loufan fortress ruins
- Fort
- Fort
- Huixian city walls
- Fort
- Fort
- Ruins of Zuoguo Fortress (Han dynasty)
- Warring States era stone fort
- Ruin of Zhuge Fortress
- Muraille médievale de Quimper
- Abri B773 Mauranrieux
- Caojialu fortress
- Jinruan fortress (Chu state era)
- Zhulianshan fortress of Chu state
- Hongpan fortress of ancient Chu state
- Ruins of Dashanzhai Fortress (Chu state)