The cathedral of the Madonna della Bruna sits at the apex of the Civita — the spur of land between the two Sassi ravines — and dominates the skyline from most angles. Built in the 13th century in the Apulian Romanesque style, it has a tall bell tower, a richly carved rose window, and a relief above the main entrance showing a Madonna flanked by saints.
Inside, the most important work is a 13th-century fresco of the Last Judgement on the west wall, partially damaged but still legible. The carved wooden choir stalls are 15th-century work. The crypt beneath the cathedral preserves an older church on the same site, with Byzantine frescoes that pre-date the Norman construction above. Worth combining with the belvedere at the Civita for the view over both ravines.