Gaudi and Domenech i Montaner along the Eixample grid: Casa Batllo and La Pedrera, the Sagrada Familia, then the tiled hospital city of Sant Pau via Avinguda de Gaudi.
Gaudi's 1904-06 remodel of a townhouse into a bone-and-scale fantasy; the light well tiled from deep to pale blue and the dragon-back roof are the highlights.
Gaudi's last private building (1906-12): an undulating stone facade, a furnished period flat, the brick-arched attic explaining his methods and a rooftop of warrior-like chimneys.
Gaudi's still-unfinished basilica, begun in 1882; the forest-like nave and the stained glass that washes the columns in colour are the reason to go inside rather than just…