This carefully crafted itinerary takes you through Vernon's most significant medieval and Renaissance landmarks, revealing eight centuries of French history. Start your day at the magnificent Château de Bizy, known as the 'Versailles of Normandy,' with its stunning 18th-century palace and spectacular fountains. Continue through Vernon's historic center to admire the beautifully preserved 15th-century Maison du Temps Jadis, then explore the impressive Notre-Dame Collegiate Church with its remarkable 1610 organ. Discover the massive Tower of Archives, a 12th-century royal keep by Philip Augustus, before photographing the iconic Old Mill painted by Claude Monet. Finish at the Château des Tourelles, a 13th-century fortress that once guarded the medieval Seine crossing. Important: Château de Bizy is closed on Mondays and requires paid admission (€10); book tickets online to avoid potential queues. All other attractions are free. The walking route covers approximately 3.2 km through Vernon's compact historic center, making it an ideal walkable day tour. Best visited Tuesday-Sunday from April to November when Bizy Castle is open.