The Mediterranean is present in very square, street and corner of Barcelona, the only city in the world with eight World Heritage buildings: six by Antoni Gaudí and two by Lluís Domènech i Montaner, the master architects of Catalan Modernism. Barcelona essential presents an essential itinerary through its urban landscapes. From its Roman heritage to the latest avant-garde contemporary architecture, without leaving beside the city's unique and magnificent Gothic and Modernist buildings; is an essential book to visit the musts of Barcelona with its history stretching back 2,000 years, yet modern and cosmopolitan, dynamic, comfortable and welcoming to all people.