Category: fortification
- The Tower of London
- Castello Sforzesco
- Dover Castle
- Fort Johnson
- Prato Centro Storico (downtown)
- The Presidio of San Francisco
- The White Tower
- Orvieto
- Fort Ord (site)
- City wall in Santo Domingo
- Conwy Castle
- Fort Miles Cantonment Area
- Fort Moultrie Military Reservation (former)
- Conwy Town Walls
- Abri du Bois de la Cote
- Maginot Line Shelter Bois d'Escherange
- Historic Center
- Apalachicola Fort Site
- Fort Strother marker
- Curtain Wall
- Fort Partalouska
- Block 1 - GO Roquebrune
- Block 2 - GO Roquebrune
- Block 4 - GO Roquebrune
- Block 3 - GO Roquebrune
- Block 7 - GO Mont Agel
- Block 6 - GO Mt Agel
- Block 5 - GO Mt Agel
- Block 4 - GO Mt Agel
- Block 1 - Entrance - GO Mt Agel
- Block 2 - Munitions Entrance - GO Mt Agel
- Block 3 - Aerial Tram Entrance - GO Mt Agel
- Block 3 - Monte Grosso
- Block 1 - Monte Grosso - Entree
- Block 4 - Monte Grosso
- Block 5- Monte Grosso
- Block 6 Monte Grosso
- block 7- Monte Grosso
- Block 8 - Monte Grosso
- Block 1- PO Brouis
- Block 3 - GO Brouis
- Block 2 - PO Brouis
- Block 4 - Crous
- Block 3 - Crous
- Block 1 - Crous Incomplete
- Block 5 - Rimplas
- Block 1 - Rimplas
- Block 3 - Rimplas
- Block 2 - Rimplas
- Entree Hom et Telepherique - Rimplas
- CC Rimplas
- Block 2 - PO Caire Gros
- Block 1 - PO Caire Gros
- Block 3 -Chimney - PO Caire Gros