| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Château d27Ognon |  | None | Hauts-de-France | Europe | 18th century | 17th century | website | Ognon, Oise | France | 49.2379000000 | 2.6419000000 | Charles Demachy, Ernest-Antoine Seillière | Map |