The Telegraph: 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.
C. de Mallorca, 401 (C. de Sardenya), Barcelona, Catalunya
Church · Barri de la Sagrada Família · 1838 tips and reviews
The Telegraph: 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
Pg. de Gràcia, 43 (C. d'Aragó), Barcelona, Catalunya
Museum · La Dreta de l'Eixample · 763 tips and reviews
The Telegraph: The fantastical Casa Batlló (00 34 216 03 06; casabatllo.cat, admission €20.35/ £17), a glittering, polychromatic affair, also open to the public.