The Castelli Romani are the Alban Hills — a cluster of medieval towns built around a volcanic crater lake, 30 minutes southeast of Rome. This is where Romans come to eat porchetta, drink Frascati wine, and breathe air that doesn't taste like diesel. Frascati, Castel Gandolfo (the Pope's summer palace), Nemi (tiny strawberries and a volcanic lake), and Ariccia (porchetta capital of the world).
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