Turin Cathedral: Renaissance Art and the Holy Shroud

Turin Cathedral, known locally as the Duomo di Torino or the Cattedrale di San Giovanni Battista, serves as the seat of the Archbishop of Turin. In an urban landscape defined overwhelmingly by grand Savoy Baroque brickwork and uniform colonnaded avenues, the cathedral stands out as the city’s only major surviving Renaissance-style church.

Renaissance Origins and Florentine Influence

The cathedral occupies a site steeped in antiquity, situated directly over the remnants of an ancient Roman theater and three early Christian basilicas dedicated to the Saviour, Saint Mary, and Saint John the Baptist. Cardinal Domenico della Rovere cleared these earlier structures to commission a unified monumental cathedral, constructed between 1491 and 1498 and formally consecrated in 1505.

The design is generally attributed to Tuscan architect Meo del Caprina. Clad in pale white marble and Bussoleno stone, the building was regarded as something of an architectural transplant at the time of its completion. Cardinal della Rovere funded the project with silver shipped directly from Rome and imported Florentine stonemasons to execute the refined Renaissance detailing of the façade.

The Bell Tower and Guarini’s Baroque Chapel

Beside the cathedral stands the detached brick bell tower of Sant'Andrea, originally erected between 1468 and 1470. Renowned court architect Filippo Juvarra heightened the campanile in 1720, raising the structure to a final height of roughly 60 to 62 meters.

At the cathedral's rear rises the tiered Baroque dome of the Chapel of the Holy Shroud (Cappella della Sacra Sindone). Following the House of Savoy’s relocation of the Shroud of Turin to the city in 1578, an architectural expansion was initiated to host the relic. Between 1668 and 1694, architect Guarino Guarini realized an elevated rotunda that physically bridged the cathedral's presbytery with the adjacent Royal Palace of Turin, granting the royal family direct private access to the sanctuary.

The 1997 Fire and Historic Restoration

On the night of April 11–12, 1997, a devastating fire engulfed Guarini’s chapel, bringing the dome close to total collapse. Firefighter Mario Trematore and his team breached a 39-millimeter bulletproof display casing with sledgehammers to rescue the silver reliquary containing the Shroud minutes before masonry fell.

The blaze, combined with cold water from firehoses, caused severe thermal shock that shattered more than 80 percent of the chapel’s historic marble. Because the original stonework could not easily be substituted with contemporary materials, conservators reopened a long-disused quarry in Frabosa, Piedmont, to obtain matching marble. The exhaustive restoration spanned 21 years before the chapel reopened to the public.

Turin Cathedral Today

The cathedral continues to serve as an active Roman Catholic house of worship, holding daily liturgies and welcoming visitors. Although Christian tradition reveres the cloth housed within as the true burial shroud of Jesus—an identity subject to ongoing historical and scientific debate—it is not on open display. The relic rests inside a climate-controlled reliquary beneath the cathedral’s Royal Tribune and is revealed only during rare papal expositions. Guarini's restored chapel can now be viewed along the Musei Reali museum route.