Acquaviva delle Fonti

Acquaviva delle Fonti is a quiet inland town in the Murgia hills south of Bari, named for the aquifer beneath it—old wells in the historic center still trace that connection to water. It's not a place built for tourism in the resort sense, but for travelers who want a genuine working Apulian town.

The heart of things is Piazza dei Martiri, where the Cathedral of Sant'Eustachio faces Palazzo De Mari. The cathedral, one of Puglia's four Palatine basilicas, took shape between 1529 and 1594, layering Renaissance work over Romanesque foundations; look for the rose window and the crypt with its silver altars. Palazzo De Mari sits on the footprint of a former Norman-Swabian castle and later became the town hall after passing to the Genoese De Mari family.

Beyond the piazza, narrow lanes hold small churches and the bandstand-lined Piazza Vittorio Emanuele II, while an archaeological museum traces local history from prehistory onward. The town's culinary identity centers on its own Slow Food–protected red onion, flattened and sweet enough to eat raw, which also fills the local onion calzone—celebrated each July.

Religious tradition runs deep here: Saint Eustace's feast falls in May, and a September rite honoring the Madonna di Costantinopoli involves launching a large hot-air balloon, a custom dating back at least to the 1800s. Nearby, Grotta Curtomartino offers a glimpse of the region's karst caves.