| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Zähringen castle |  | Baden-Württemberg | Europe | 1000 | website | Gundelfingen | Germany | 48.0166664124 | 7.8833332062 | Map |