Dover Castle Dover Castle Dover Castle is a medieval castle in Dover, Kent, England. It was founded in the 11th century and has been described as the "Key to England" due to its defensive significance throughout history. It is the largest castle in England. This site may have been fortified with earthworks in the Iron Age or earlier, before the Romans invaded in AD43. This is suggested on the basis of the unusual pattern of the earthworks which does not seem to be a perfect fit for the medieval castle. Excavations have provided evidence of Iron Age occupation within the locality of
Architecture of England Iron Age architecture can be seen in England. Megalithic burial monuments, either individual barrows (also known, and marked on modern British Ordnance Survey maps, as Tumuli,) or occasionally cists covered by cairns, are one form. The other is the defensive earthworks known as hill forts, such as Maiden Castle and Cadbury Castle. Archaeological evidence suggests that British Iron Age domestic architecture had a tendency towards circular dwellings, known as roundhouses. The Roman period brought the construction of the first large-scale buildings in Britain, but very little survives above ground besides fortifications. These include sections of Hadrian's Wall, Chester city walls