This document summarizes key aspects of Romanesque and Gothic architecture and art from 1050-1400 CE in Western Europe. It describes defining characteristics of Romanesque architecture like barrel vaults and groin vaults. Important structures from this period mentioned include the Bayeux Tapestry, Santiago de Compostela cathedral, and Durham Cathedral. The transition to Gothic architecture is explored through structures like St. Denis Abbey which introduced pointed arches, rib vaults, and increased use of stained glass windows. High Gothic cathedrals such as Chartres, Reims, and Amiens are analyzed for their flying buttresses, vaulting techniques, extensive stained glass, and sculpture. The development of Gothic sculpture from rigid to natural