Curious Traveler

Curious Loire Valley (2x5)

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When and why were so many stunning châteaux built in such a concentrated area in central France? Why is there a river running through Château de Chenonceau, and what do the ladies of the castle have to do with it? Why does Château de Chambord have 440 rooms, yet no one ever lived there? Why is there a porcupine over the entrance to Château d'Amboise?