Siena is a medieval city located in Tuscany, Italy, its historic centre of Siena has been declared a World Heritage Site by UNESCO. Siena is famous for its cuisine, art, museums, medieval cityscape and the Palio, a horse race held twice a year. Siena Cathedral is a medieval church and its façade one of the most fascinating in all of Italy. It combines elements of French Gothic, Tuscan Romanesque architecture, and Classical architecture. It was started in the 13th century.