Photography credits
Sagrada Família and Park Güell by Bernard Gagnon, CC BY-SA 3.0; Casa Batlló by Bernard Gagnon, color edit by Amadalvarez, CC BY-SA 3.0; Casa Milà rooftop by Shkermaker, public domain; Barcelona panorama by E.mil.mil, CC BY-SA 4.0; Barcelona tapas by José Porras / Elemaki, CC BY 3.0. Images are cropped responsively; no other modifications were made for this guide.