While the Roman Catholic Church is synonymous with the Eternal City (and Italian capital), the greatest monument from its medieval heyday actually stands in southern France. The relic of the Papacy’s brief departure from Rome, the Palais des Papes (“Palace of the Popes”) in Avignon is the largest Gothic palace ever built. Constructed in two main phases by two of its residents, the Palais des Papes is a grandiose architectural expression of the wealth and power of the eleven popes who called Avignon their home and base of power.
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AD Classics: Palais des Papes / Pierre Poisson & Jean de Louvres
https://www.archdaily.com/806838/ad-classics-palais-des-papes-avignon-france-pierre-poisson-jean-de-louvresLuke Fiederer
AD Classics: Royal Basilica of Saint-Denis / Abbot Suger
The origin of Gothic architecture, a style which defined Europe in the later Middle Ages, can be traced to a single abbey church in the northern suburbs of Paris. The Basilique royale de Saint-Denis (Royal Basilica of Saint-Denis), constructed on the site of an abbey and reliquary established in Carolingian (800-888 CE) times, was partially rebuilt under the administration of Abbot Suger in the early 12th Century; these additions—utilizing a variety of structural and stylistic techniques developed in the construction of Romanesque churches in the preceding centuries—would set medieval architecture on a new course that would carry it through the rest of the epoch.
https://www.archdaily.com/797766/ad-classics-royal-basilica-of-saint-denis-abbot-sugerLuke Fiederer