The great European cathedrals of the Middle Ages are among the finest architectural achievements of all time. Built of stone and glass, they soared to unprecedented heights as the medieval church reached to the heavens to express their devotion.
The eldest son of every British monarch is vested as the Prince of Wales at the Welch Castle of Caernarvon - one of the greatest medieval castles ever built.
After two thousand years we can still walk the Appian Way; still marvel at the technological skills of the builders of the Pont du Gard aqueduct in France; or the Colosseum which still stands in Rome.
