Discover the UNESCO World Heritage Ensemble which is well preserved inside the formidable walls of Avignon, the charming medieval town nestling on the rock hills on the left bank of the majestic river Rhône, including the atmospheric Clock Square which hosts the July Avignon festival - one of the world's largest carnivals for performing arts, the 14th-century Saint Peter Basilica – an outstanding example of the unique Provencal Gothic style, the Palace of the Popes - the biggest Gothic palace worldwide and also the largest medieval fortress in Europe, the engineering gem of the 12th-century Saint-Bénezet Bridge - one of the most important pilgrimage routes between Italy and Spain in the Middle Ages, and last but not least the spectacular Garden of the Doms high above the city providing breathtaking panoramic vistas.