Trullo buildings in Alberobello, Apulia, Italy  Aug 26, 2025

If fairy tales had architects, they might"ve come up with something like Alberobello in Italy. But instead of magic wands, it was limestone, mortar-free masonry, and—according to some theories—a bit of tax evasion that built this town"s signature homes: the trulli. These are whitewashed stone houses topped with dry-stacked limestone roofs shaped like upside-down ice cream cones. It"s an ancient building technique, and in this case, a clever one. Back in the 14th century, locals were reportedly trying to avoid property taxes by constructing homes that could be quickly dismantled when the king"s tax collector came around.

© Feng Wei Photography/Getty Images

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