In gorgeous Matera in the region of Basilicata, in Southern Italy. Known as "la Città Sotterranea" (the Subterranean City), Matera is well known for its historical center called "Sassi", considered World Heritage Site by UNESCO since
The Four Bridges of Florence. Ponte Vecchio, Ponte Santa Trinita and Ponte alle Grazie are the best of 4 bridges in Florence. The most popular of these are Ponte Vecchio in Siena and Ponte alla Carraia in Lucca.