#1 Palace of the Popes (Avignon)
From 1309 to 1377, nine popes turned Avignon into the capital of Western Christendom. Their Palace of the Popes, the world's largest Gothic structure at 15,000 square meters, anchors this history. Explore 25 monumental rooms, including the Grand Tinel and the soaring Grande Chapelle Clémentine, featuring frescoes by Matteo Giovannetti. Augmented reality HistoPad tours bring these interiors to life.