For over two thousand years, Dover Castle has stood as the guardian of England, a mighty fortress watching over the shortest sea crossing to Continental Europe. Beneath the medieval castle lies a secret—a network of tunnels first dug during the Napoleonic Wars. It was here, deep inside the famous White Cliffs, that Vice-Admiral Ramsay orchestrated the miraculous evacuation of Dunkirk during the Second World War. Stepping into these underground hospitals and operations rooms offers a hauntingly immersive experience, placing you at the very heart of Operation Dynamo. Above ground, explore the sprawling medieval fortress begun by Henry II, complete with a towering keep and a fully recreated royal palace. Stand on the battlements where generations have scanned the horizon for invaders, from the Spanish Armada to the Luftwaffe. Dover Castle is not just a monument; it is the key to England, and walking its grounds is to walk through two millennia of history.