| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castello Estense |  | Emilia-Romagna | Europe | 29/09/1385 | 29/09/1385 | website | Ferrara | Italy | 44.8375000000 | 11.6194444444 | Niccolò II d'Este | Map | |||||
| Palazzo dei Diamanti |  | Emilia-Romagna | Europe | website | Ferrara | Italy | 44.8421555556 | 11.6210805556 | Ercole I d'Este | Map |