| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Arenenberg |  | Thurgau | Europe | website | Salenstein | Switzerland | 47.6727777778 | 9.0591666667 | Map |