Duomo di Napoli

The Cathedral of the Assumption in the Centro Storico — a Gothic nave layered with Baroque chapels, and the spiritual heart of Naples thanks to San Gennaro, the city's patron saint. Three times a year, crowds pack the cathedral for the ritual liquefaction of his dried blood, an event watched with genuine anxiety as an omen for the city's fortunes. Beyond that drama, the cathedral holds centuries of art and an early Christian baptistery. For visitors, it's both a major monument and a window onto Neapolitan faith at its most fervent — a working cathedral where devotion is anything but quiet.