| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Burg Greifenstein |  | Lower Austria | Europe | 1000 - 1050 | website | Sankt Andrä-Wördern | Austria | 48.3493995667 | 16.2544002533 | Private Media Group | Map |