| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ahlden House |  | Lower Saxony | Europe | 1530 | website | Ahlden | Germany | 52.7500000000 | 9.5500001907 | Map | |||||||
| Bunkenburg |  | Lower Saxony | Europe | 1300 | website | Ahlden | Germany | 52.7615000000 | 9.5586700000 | Map |