The only surviving monastic fishery building in England.

The three-mile stretch of Hadrian's Wall that survives west of Birdoswald Roman Fort in Cumbria tells us much about how the Wall worked and developed.

Leigh Court Barn is an outstanding example of English medieval carpentry, and the largest cruck framed structure in Britain.

The mainly 14th-century remains of an abbey of Premonstratensian canons.

The banks and ditches of a series of late Iron Age defences protecting the western side of Camulodunum – pre-Roman Colchester.

Founded in about 1148, this Augustinian abbey became a private residence after the Reformation, and was severely damanged during the Civil War during a Parliamentarian siege.

Standing almost in the shadow of Lincoln cathedral, with sweeping views over the ancient city and the countryside beyond, the medieval bishops’ palace was once among the most important buildings in the country. The administrative centre of the largest diocese in medieval England, stretching from the Humber to the Thames, its architecture reflected enormous power and wealth.

Cross the dramatic causeway to reach the island of Lindisfarne, on a journey that will stay in your memory forever.

A pretty thatched 13th-century chapel with lancet windows.

Set immediately north of the Tower of London, right in the heart of Tower Hill, stands one of the most substantial and impressive surviving sections of the London Wall. Built around AD 200, the Roman wall not only provided defence and security to the citizens of London, but also represented the status of the city itself.