Drop Redoubt, Dover Western Heights. The Western Heights of Dover are one of the most impressive fortifications in Britain. They comprise a series of forts, strong points and ditches, designed to protect the country from invasion. They were created to augment the existing defences and protect the key port of Dover from both seaward and landward attack. There were two main periods of construction. The first during the Napoleonic Wars and the second in the distrust of France in 1860s.
St Mawes Castle along with her sister castle Pendennis, was built by Henry VIII as part of a protective chain of fortresses along the south coast of England and was built between 1539 and 1545 on the eastern shore of the River Fal;