Castles, masonry ruins, historic attractions, ruinous bastles and other interesting remnants in the United Kingdom.
| Abermarlais Castle | Map, print or save to GPS |
| Aberyscir Motte | Map, print or save to GPS |
| Aberyscir Ringwork | Map, print or save to GPS |
| Aberystwyth Castle | Map, print or save to GPS |
| Aberystwyth Town Walls | Map, print or save to GPS |
| Abingdon | Map, print or save to GPS |
| Abingdon Town Defences | Map, print or save to GPS |
| Abinger Motte | Map, print or save to GPS |
| Acklam | Map, print or save to GPS |
| Acton Bank | Map, print or save to GPS |
| Acton Burnell Castle | Map, print or save to GPS |
| Acton Hall | Map, print or save to GPS |
| Acton Scott | Map, print or save to GPS |
| Adderley Castle Hill | Map, print or save to GPS |
| Adderstone Tower | Map, print or save to GPS |
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