5Carcassonne, France

Carcassonne is a fortified city with a rich history dating back to the Gallo-Roman period. Its double-walled fortifications and 52 towers make it one of Europe’s best-preserved medieval towns.
The Basilica of Saints Nazarius and Celsus showcases beautiful stained glass windows. Visitors walk through its narrow streets and experience the medieval ambiance that inspired many legends.