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
Lovely Views - The Loire Valley is a photographer's dream location. There aren't many places you have such an abundance of beautiful scenes to photograph. Look down any v...