Santa Maria Del Fiore (Duomo Di Firenze / Florence Cathedral)

The Florence Cathedral (Santa Maria del Fiore)

Brunelleschi solved a problem that had defeated European builders for 130 years: how to cover a 42-metre-wide octagonal crossing with a masonry dome without temporary wooden scaffolding to support the structure during construction. He built the dome between 1420 and 1436 using an interlocking herringbone brickwork pattern he invented and largely kept secret, constructing both the inner and outer shells simultaneously, each supporting the other as it rose. The finished dome is 116 metres tall to the lantern at the top, contains nearly four million bricks, and remains the largest masonry dome ever built. Every subsequent large dome, including St Peter’s in Rome and St Paul’s in London, drew on what Brunelleschi figured out here.

This is architecture as intellectual problem-solving, not just aesthetics. Standing inside and looking up at the octagonal drum and the Vasari frescoes on the dome’s interior, the relevant question is not “is this beautiful?” (it is) but “how did anyone build this in 1436?”

The Complex

The Duomo complex has five visitor components: the cathedral interior (free), the dome climb, the Campanile, the Baptistery interior, and the Opera del Duomo Museum. A combined ticket through the Opera di Santa Maria del Fiore website costs around EUR 30 and covers all of them. Buy it in advance; the dome queue without a booking can run 45 minutes to an hour in summer. The dome sell-out date moves earlier each year.

The Opera del Duomo Museum, significantly expanded in 2015, holds the original sculptural programme removed from the exterior for preservation. Ghiberti’s original Gates of Paradise from the Baptistery (the outdoor versions are replicas) are here, at close range, showing work that Michelangelo reportedly called worthy of the gates of heaven. Michelangelo’s unfinished Bandini Pieta – created for his own tomb, showing his dissatisfaction with his own work – is also here, cracked and reworked and more affecting for it. The museum is undervisited by people focused on the dome climb.

The Dome Climb

463 steps, no elevator. You enter the narrow space between the inner and outer shells, pass through the drum, and emerge at the base of the lantern with a 360-degree view of Florence. On the way up, you are close enough to the Vasari frescoes to see the scale and the hastiness of some passages. Arriving before 10:00 or after 15:00 reduces the crowd pressure on the narrow spiral staircase.

The Baptistery

The Baptistery of San Giovanni, directly in front of the cathedral, predates it by several centuries. The interior golden mosaic ceiling is 13th-century Byzantine-influenced work: Christ in judgement surrounded by angels and demons in a mosaic programme that covers the entire ceiling surface. Ghiberti’s North Doors (1401 to 1424) are in the exterior; the Gates of Paradise are on the east. Both bronze originals are in the museum. See them at close range there rather than at a distance outside.

Eating Nearby

Trattoria Mario near the Mercato Centrale (10 minutes from the Duomo) has communal tables, no reservations, paper tablecloths, and good bistecca and ribollita at prices that remain reasonable by Florentine standards. For coffee adjacent to the Duomo, Caffe Scudieri on Piazza San Giovanni has been operating here for decades.

For gelato, Gelateria dei Neri on Via dei Neri or Buonocore near the Ponte Vecchio. The rule is simple: if the gelato is piled in bright-coloured mountains above the container edge, it is not the real thing.