| name | heritage designation | image | status | type | date completed | date end | date start | Website | date Start construction | city | administrative división | continent | Country | latitude (°) | longitude (°) | material | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alpine Line |  | Defense | 1930 | 1935 | website | Concrete, Steel | |||||||||||
| Alpine Wall |  | Defense | 1930 | 1947 | 1935 | website | 1931 | Concrete, Steel | |||||||||
| Abbot's Tower |  | Reconstructed/Conserved | Defense | circa 1580 | 1627 | website | 54.9833335876 | -3.5999999046 | Stone | Map | |||||||
| Alexandra Battery |  | Unspecified | Defense | 1876 | 1876 | website | 36.1166648865 | -5.3499999046 | Map | ||||||||
| Auchenbathie Tower |  | Abandoned/Ruins | Defense | website | 55.7666664124 | -4.5500001907 | Stone | Map |