| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brejoeira Palace |  | Viana do Castelo | Europe | 1834 | 1805 | website | Monção | Portugal | 42.0415000000 | -8.4943000000 | Carlos Amarante | Map | |||||
| Castelo de Valença | Viana do Castelo | Europe | website | Valença, Portugal | Portugal | ||||||||||||
| Castle of Melgaço |  | Fortified Castle | Viana do Castelo | Europe | After 1170 | 1170 | website | Melgaço, Portugal | Portugal | 42.1144444400 | -8.2597222200 | Afonso I of Portugal | Map |