Barcelona is synonymous with art nouveau and Gaudi. The Sagrada Familia is no less than Spain’s most visited monument, which along with the Casa Battlo and the Pedrera make up Barcelona’s holy trinity of Gaudi art nouveau monuments. These are excellent sites and must be visited, but it is also worth exploring some of the lesser-known art nouveau architecture that belongs to the city’s rich architectural heritage. This is heritage that the city is working hard at renovating and opening to ...