You don't have to have a strong religious faith to enjoy the tranquil atmosphere of Cathedral of Brindisi. Look up when the next service starts or when it's open for general viewing.
If you've got time to stop for a while in Brindisi Histotic Center, Cathedral of Brindisi is an interesting place to start your exploring. This principal church is one of many attractions that'll keep you occupied here. Monument to Italian Sailors, Museo Archeologico Provinciale Francesco Ribezzo, and Church of Santa Maria del Casale are also waiting to be explored nearby.