Spain

A Nasrid palace-city and fortress above Granada, begun in 1238, famous for carved stucco, tiled courtyards and gardens that turn water into architecture.

A cathedral built inside a great Umayyad mosque in Córdoba, where a forest of red-and-white double arches surrounds a Renaissance nave dropped into its centre.

Gaudí's hillside park in Barcelona, where mosaic benches, a colonnaded hall and a serpentine terrace look out over the whole city to the sea.

A vast semicircular plaza built for Seville's 1929 exposition, with a canal, tiled bridges and a curved brick palace wrapping around an open central space.

Antoni Gaudí's unfinished basilica in Barcelona's Eixample: a forest of leaning columns and stained glass that has been rising, stone by stone, since 1882.

The Romanesque cathedral over the reputed tomb of Saint James in Galicia, the end point of the Camino de Santiago and the heart of its old town.