Gravedona ... is situated at the mouth of a gorge. The handsome Palazzo del Pero with four towers, at the upper end, was built in 1586 by Pellegrino Tibaldi for the Milanese Cardinal Tolomeo Gallio. Adjoining the venerable church of San Vincenzo rises the 12th century Romanesque Baptistery of Santa Maria del Tiglio, with campanile, containing two Christian inscriptions of the 5th century.