What do you notice in Barcelona when you move beyond the tourist routes? This tour traces the architectural innovations that defined Gaudí's mature practice. You'll encounter Casa Batlló's hypnotic curves and the Passion Facade's sculptural detail, then reach Sagrada Família to see how these elements converge in his largest commission. Sixty-two minutes. Six stops. No shortcuts, no crowds, just the buildings that shaped Catalan Modernisme. The route focuses on three key sites where Gaudí's formal language evolved from residential design to monumental religious architecture. This walk examines how a city's architectural culture transformed through the work of a single designer working across three decades. Ready to see what shaped Barcelona's modern identity?