| name | image | style | date demolished | type | use | administrative division | continent | date completed | date Start construction | Website | Height (m) | city | Country | latitude (°) | longitude (°) | Original_owner/Owner/Protection | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fort Mahon |  | Hauts-de-France | Europe | 17th century | website | Ambleteuse | France | 50.8052777800 | 1.6005555600 | Sébastien le Prestre de Vauban | Map |