| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Falkenstein Castle (Lower Austria) |  | Fortified Castle | Lower Austria | Europe | 1050 | 1050 | website | Falkenstein, Lower Austria | Austria | 48.7241294000 | 16.5789975000 | Henry III | Map |