Alberobello, Italy

Alberobello is a small town in the Bari province of the Apulia region in Italy, with a population of about 11,000 people. The town is world-famous for its trulli buildings. Trulli are constructed from limestone, with conical roofs that were originally white but have gradually darkened due to sun exposure. The walls are painted white. Most trulli were built during the 19th century.