| 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 Monterberg |  | North Rhine-Westphalia | Europe | 1260 | website | Kalkar | Germany | 51.7214000000 | 6.3047200000 | Map | |||||||
| Burg Boetzelaer |  | Water Castle | North Rhine-Westphalia | Europe | website | Kalkar | Germany | 51.7333335876 | 6.3499999046 | Map |