"The grand exterior and courtyard, built from 1475 to 1507 and heavily restored in the 20th century, is a disguise. Behind the turrets and thick walls is the city's lively collection of graphic arts, including more than a million postcards and 20,000 posters, an art form at which the French have historically excelled." Want to go. Photo via @oceane88a on Instagram. Originally discovered it via NY Times: http://travel2.nytimes.com/2006/03/05/travel/05journeys.html