| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Osterburg (Groothusen) |  | Lower Saxony | Europe | 1200 - 1300 | website | Groothusen | Germany | 53.4333343506 | 7.0666666031 | Map |