French ruins refer to the remnants of historical structures found throughout France. These ruins can include ancient castles, churches, and fortifications that date back to various periods, such as the Roman era and the Middle Ages. They often showcase unique architectural styles and provide insight into the country's rich history. Many of these ruins, like the Abbey of Jumièges and the Château de Fougères, attract tourists and historians alike. They serve as important cultural landmarks, preserving the stories of past civilizations and their influence on modern French society. Exploring these sites offers a glimpse into the architectural and historical heritage of France.