| 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 du Portalet |  | Fortified Castle | Museum/exhibition | Nouvelle-Aquitaine | Europe | 1870 | 1842 | website | Etsaut | France | 42.8863888889 | -0.5627777778 | Map |