Dover lighthouse. Birgitta Hoffmann
Wroxeter fortress baths. Birgitta Hoffmann
Reconstructed fort defences at the Lunt. Birgitta Hoffmann
Silchester defences. David John Woolliscroft
Caerleon Prysg Field, corner of the fortress. Birgitta Hoffmann
Stanwick defences. Birgitta Hoffmann
Chester, corner tower of Roman fortress. Birgitta Hoffmann
Dere Street, in a typically straight stretch in county Durham. David John Woolliscroft
Caerleon Prysg Field, legionary barracks. Birgitta Hoffmann
Inchtuthil fortress. David John Woolliscroft
Cawthorne Camps, Yorkshire. Birgitta Hoffmann
Hadrian’s Wall on the Whin Sill Crags of the central sector. Birgitta Hoffmann
Risingham Roman fort. Birgitta Hoffmann
Roman road at Roundlaw, Perthshire. David John Woolliscroft
Aerial photograph of Chester fort. David John Woolliscroft
Aerial photograph of Housesteads. David John Woolliscroft
Milecastle 39 on Hadrian’s Wall. David John Woolliscroft
Milecastle 49 to Birdoswald. David John Woolliscroft
The gate at High Rochester fort. Birgitta Hoffmann
Aerial photograph of Bewcastle fort. David John Woolliscroft
Antonine Wall base in Bearsden cemetery. Birgitta Hoffmann
Roman road cutting at Innerpeffray, Perthshire. David John Woolliscroft
York, Multangular tower. Birgitta Hoffmann
Vindolanda, praetorium of Fort II and Severan roundhouses. Birgitta Hoffmann
Carpow aerial photograph. David John Woolliscroft
Caerwent late Roman defences. Birgitta Hoffmann
Scarborough Yorkshire Coast tower. Birgitta Hoffmann
Cardiff Castle, South Wall, with Roman, Medieval and modern walling. Birgitta Hoffmann
Burgh Castle. David John Woolliscroft
Hen Waliau, Caernarvon, late Roman harbour fort. Birgitta Hoffmann
Caer Gybi late Roman fort overlooking Holyhead harbour. Birgitta Hoffmann