Explore the mesmerizing medieval cityscapes of Siena, “the ideal embodiment of a medieval city” described by UNESCO, composed of romantic hilly streets, vibrant atmosphere, rich culture, and numerous significant historic and architectural landmarks, including Salimbeni Palace – the headquarters of the oldest bank in the world in continuous operation, the Sanctuary House of Saint Catherine – the birthplace of a globally influential Catholic Saint, the pristine 11th-century Fontebranda with its sophisticated system still in use, the Gothic treasure of Siena Cathedral and its unfinished successor, the elegant Loggia of Merchandise - the iconic early trading venue of the medieval city, and the charming Camp Square - one of Europe's greatest medieval squares.