The Tower of London
London EC3
Europe's best preserved medieval fortress, inextricably linked with centuries of British history and home to the British crown jewels
Dover Castle
Dover
spectacular setting atop the White Cliffs of Dover, this large fortress includes a Roman lighthouse and secret wartime tunnels
Birdoswald Roman Fort
Brampton
high above a meander in the River Irthing, in one of the most picturesque settings on Hadrian's Wall. A Roman fort, turret and milecastle can all be seen on this excellent stretch of the Wall.
Carlisle Castle
Carlisle
a formidable fortress spanning some 900 years of conflicts and sieges. Mary, Queen of Scots, was imprisoned here for some 19 years
Colchester Castle
Colchester
the largest Norman keep in Europe, built on Roman foundations, now a local history museum with several significant collections
Beeston Castle
Tarporley
crowning a rocky crag and boasting spectacular views. On a clear day you can see all the way from the Pennines to the Welsh mountains. With a 4,000 year history, a replica Bronze Age roundhouse and a 40-acre woodland park
Binchester Roman Fort
Bishop Auckland
the largest Roman fort in County Durham. A small part has been excavated and is open to visit. Explore the remains of a Roman bath house with its amazing under floor heating system
Bolsover Castle
Chesterfield
seventeenth century Bolsover Castle is a wonderful place to imagine the Golden age of Chivalry. Set on a hilltop overlooking the Vale of Scarsdale, it offers panoramic views over the surrounding countryside
Restormel Castle
Lostwithiel
commanding fantastic views, these ruins are in remarkably good condition. Picnics welcome
St Catherine's Castle
Fowey
sits atop a rocky promontory, remains of an artillery fort built by Henry VIII to defend Fowey Harbour. Access via a narrow winding foot path
St Mawes Castle
St. Mawes
well-preserved and elaborately decorated coastal artillery fortress designed to mount heavy 'ship sinking' guns with audio tour available and picnic area