The Baptistery of St John in Poitiers is claimed to be the oldest existing Christian building in France. Built in about 360 but much altered, it is worth half an hour (at least) of anybody's time.
For a plan of the building, there is a good link here, and for more information check out Wikipedia
Rose Covered Cottages - Do you dream of visiting a village in France where all the houses are charming cottages covered in climbing roses? If so, we know just the place, and it ha...