Church of Santi Vitale e Agricola
The SS. Vitale and Agricola Church was built on the remains of the roman Arena where, according to the tradition, the saints Vitale and Agricola were martyred. Their corpses were recognised by S. Ambrogio during his visit in Bologna in 392.
Rebuilt by the Benedictine monks during the 16th century, nowadays it contains valuable works of art - worthy to be visited is the Renaissance chapel of S. Maria degli Angeli- and a charming crypt which is the unique remainder of the former church.
The description is taken from the diocesan administration web site: http://www.bologna.chiesacattolica.it