17th-century church with frescoes, large-scale sculptures & a shrine containing St Agnes’ skull.
http://www.arte.it/foto/600×450/a7/576-agone.jpg
Sant’Agnese in Agone is a 17th-century Baroque church in Rome, Italy. It faces onto the Piazza Navona, one of the main urban spaces in the historic centre of the city and the site where the Early Christian Saint Agnes was martyred in the ancient Stadium of Domitian.