The Eixample is Ildefons Cerdà’s 19th-century grid — square blocks with cut corners that let in light and air. The bourgeoisie filled it with Modernista houses: Casa Batlló, La Pedrera, the Sagrada Família, and the work of Gaudí’s rivals Domènech i Montaner and Puig i Cadafalch. The quests go beyond the famous façades: gardens hidden inside the blocks, private passages, Barcelona’s Chinatown and the old-school bars of the grid.
From the quest: Gaudí's Eixample
The stone quarry with no straight walls.
Gaudí's last civil building (1906–1912) before he gave himself wholly to the Sagrada Família. Its rippling limestone front is self-supporting — no wall bears load, so interior partitions could sit anywhere — with balconies of wrought iron twisted like seaweed and a rooftop crowded with chimneys shaped like helmeted warriors.
From the quest: Secret Gardens of the Eixample
A Victorian water tower hidden inside a city block.
Slip through a narrow tunnel off Carrer de Roger de Llúria and a courtyard opens around a 24-metre brick water tower of 1867, built to supply the first Eixample homes. This was the very first inner-block garden the city clawed back from developers, in 1985 — a rare survivor of Cerdà's dream of a green heart inside every block.
From the quest: Hidden in Plain Sight
The street lamps that are secretly benches.
The sinuous wrought-iron lampposts marching down Passeig de Gràcia are the work of municipal architect Pere Falqués i Urpí (1906), each fused to a curved stone bench clad in blue-and-white trencadís mosaic. People sit on them every day without registering that the lamp and the seat are one designed object.
A small sample. In the app, each stop unlocks when you reach it — with a detail most visitors miss.
Culture & History
Gaudí
Views & Photo Spots
Hidden & Local
Foodie Trail
Nightlife & Fun
Pick a quest, follow the compass, check in at each stop. No account needed to start, no ads, no subscription.