The Gothic cathedral: light as theology
Gothic is not a decorative style — it is an engineering solution. The flying buttress, the rib vault, the clustered pier: three inventions that replace the wall with glass.
Chartres: the cathedral no one signed
In 1194 a fire destroys the old cathedral. In thirty years a new one rises — the most influential ever built. We don't know who designed it.
Romanesque: stone as weight
Romanesque is not Gothic that didn't make it. It is a system with a precise logic: massive walls, scarce light, heavy vaulting. Darkness is not a technical failure.
The Cistercian abbey: the architecture of the rule
Bernard of Clairvaux bans stained glass, sculptures, ornaments. Eight hundred years before Loos, ornament was already a crime.
Castel del Monte: the octagonal castle
Frederick II builds a castle with no moat and no drawbridge — eight octagonal towers around an octagonal courtyard. We don't know why.
Islamic architecture: geometry and paradise
Córdoba, 785 CE. Abd al-Rahman I begins construction of the Great Mosque on top of a Visigothic church, on top of a Roman temple.
The Medieval Castle: Architecture of Defense
1066. William the Conqueror lands in England and within a few years builds hundreds of Norman castles.
The Medieval City: Organic Growth
Siena, 13th century. The city grows along three hilltop ridges that meet at the center. The streets follow the contour lines.
The medieval bridge: infrastructure and life
How medieval bridges were built and lived in: Florence's Ponte Vecchio (1345), Venice's Rialto Bridge, the Vasari Corridor and the end of inhabited bridges.
St Mark's: the basilica of mosaics
828 AD. Venetian merchants steal the relics of St Mark from Alexandria in Egypt — hiding them under layers of pork to fool the Muslim customs officers…
Frequently asked questions
What's the difference between Romanesque and Gothic architecture?
They're two opposite ways of using stone. Romanesque compresses and weighs: thick walls, few openings, barrel or groin vaults that transfer the load onto the walls themselves. Gothic lightens and flies: the flying buttress, rib vault and clustered pier are three technical inventions that together let you replace the load-bearing wall with large windows, turning light into a theological argument.
What is a flying buttress and what is it for?
It's the element that carries the load once held by the perimeter walls to the outside of the building, transferring it to separate piers. It frees the wall from its structural role: instead of a solid wall, you can open the great stained-glass windows of Gothic cathedrals, as at Chartres.
Why does Castel del Monte have an octagonal plan?
We don't know for certain — and that's the honest answer. Frederick II built it around 1240 in Apulia with no moat, drawbridge or central keep: it isn't defensive in the ordinary sense. The hypotheses (hunting lodge, itinerant residence, a building with an astronomical function, a manifesto of imperial power) are all plausible and none is verifiable from the surviving period documents.
How tall are Gothic cathedrals like Chartres?
Chartres' central nave is 36.5 metres tall, 130 metres long overall, with two towers of different heights (115 and 105 metres) built centuries apart. It still preserves around 176 original stained-glass windows across roughly 2,600 m² — one of the best-preserved collections of medieval glass in the world.