The tiny Cornish village of Porthcurno was once the heart of international telecommunications, boasting the largest telegraph station in the world. Today, the Telegraph Museum Porthcurno is a vibrant and captivating heritage attraction. Discover our World War 2 tunnels, the secret hub of Britain’s wartime communications. Visit the Cable Hut where the underwater cables came ashore. Explore our exhibitions and interactive displays, telling the amazing story of global telecommunications from the first practical use of electricity to how we communicate today, using fibre optic cables that still run beneath the world’s seas and oceans.