| 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 de Penthièvre |  | Fortified Castle | Military | Brittany | Europe | 1748 | 18th century | website | Saint-Pierre-Quiberon | France | 47.5435000000 | -3.1367900000 | Ministry of Defence | Map |