You may see St Peters Cathedral across town before you actually find this grand building. Pop inside if it's open or just appreciate the facade from the street.
St Peter's Cathedral is an ideal place to begin exploring Acqui Terme. This principal church comes recommended by fellow travelers, but it isn't the only thing to do here. Set aside time for other attractions like Nuove Terme Thermal Spa, La Bollente, and Basilica of St. Peter to fully appreciate what the area has to offer.