Pitigliano, village of Etruscan origin, was built on a hill of tufa in which were dug tunnels, tombs, cellars and alleyways and during various periods and under various Roman and Lombard dominations. The tufa rock formations, tourist fortune of Pitigliano, ranging from simple natural caves to the most ancient houses, as well as an integral part of the most famous Etruscan necropolis and vie cave.