Woody Allen's «Vicky Cristina Barcelona» (2008) filmed the city from Park Güell to the Gothic Quarter's alleys, making the world want to wander here.
Begun in 1882, the Sagrada Família is still unfinished — over 140 years of construction, a record of its own.
Quiet spot: the Bunkers del Carmel, a free hilltop viewpoint over the whole city. With a data eSIM the metro is simple, ride-hailing reliable and you stay alert to La Rambla pickpockets.