| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aggstein Castle |  | None | Lower Austria | Europe | Before 1181 | 12nd century | website | Schönbühel-Aggsbach | Austria | 48.3138888889 | 15.4216666667 | Map |