It's not a villa. It's not a Tuscan farm house. Nor is it a tenuta, castello, or palazzo.
What is it? It is a trullo. A trullo is a small dwelling built from local limestone. It has dry stone walls and a conical roof. Trulli (plural for trullo) are found in and around the town of Alberobello in Puglia.
"Trulli" a unique and unconventional find in Italy.