The fantastical Casa Batlló (00 34 216 03 06; casabatllo.cat, admission €20.35/ £17), a glittering, polychromatic affair, also open to the public.
On arrival - 8pm: Head for the great Gothic cathedral, and the tangle of medieval streets around it – you’ll get lost, everybody does, but that’s the charm of the Barri Gòtic.
Day one - 3.30pm: From here, it’s an easy metro ride to Gaudí’s other masterpiece, the unfinished Sagrada Família church (sagradafamilia.cat). It’s as breathtaking within as it is otherworldly without
