This document discusses classical art architecture from prehistoric to Gothic periods. It describes three types of megalithic structures from the prehistoric era: menhirs, dolmens, and cromlechs. It then covers Egyptian architecture including pyramids at Giza and temples aligned with astronomical events. Greek architecture featured three orders of columns. Roman architecture utilized arches, vaults and concrete. Byzantine architecture advanced the dome design seen in Hagia Sophia. Romanesque architecture displayed rounded arches and vaults while Gothic introduced pointed arches and ribbed vaults seen in cathedrals like Chartres.