The only American Episcopal church within Rome's ancient walls hosts opera six nights weekly beneath Edward Burne-Jones mosaics commissioned in 1876. Consecrated in 1880 on Via Napoli, the neo-Gothic sanctuary was built for English-speaking expatriates and named for Saint Paul's journey to Rome as a prisoner in 61 CE. Street architect George Edmund Street — who designed London's Royal Courts of Justice — delivered vaulted ceilings that channel sound toward a single focal point, making the 200-seat nave function as an accidental concert hall. Burne-Jones traveled to Rome twice during construction to oversee his mosaic cycle depicting the theological virtues Faith, Hope, and Charity in the apse. The Pre-Raphaelite artist used Murano glass imported from Venice, and the tessellation remains the only Burne-Jones ecclesiastical work visible in Italy. Below the apse, a marble inlay floor reproduces cosmati patterns from the 13th century, though the church itself postdates Italian unification by a decade. St Paul's Within the Walls opera tickets grant access to performances staged directly before this Victorian craftsmanship, with no amplification — tenor voices reflect off limestone columns quarried from Tivoli. The church occupies a triangular plot between Via Nazionale and the former gardens of the Villa Aldobrandini, a site that remained vacant after Rome became Italy's capital in 1871. American banker J. P. Morgan funded the pipe organ in 1897, and its 1,200 brass pipes still accompany recitals. Three Tenors concerts here use the same acoustic principles as papal basilicas: lateral chapels absorb crowd noise while the barrel vault projects solo lines forward. La Traviata excerpts and Puccini arias echo nightly during the concert season, and St Paul's Within the Walls opera tickets tours include performances of Italian opera standards performed by conservatory graduates in period costume, lit only by candelabra positioned on the chancel steps.