Meet by the Arc de Triomf and admire its neo-Mudéjar style before going into the Parc de la Ciutadella to see the Italian-inspired fountain with possible contributions by a young Gaudí. Then, head to the colorful Born district, once a seaside resort for the medieval aristocracy. Visit Casa Calvet, designed by Gaudí and declared a Place of Cultural Interest in 1969. Move on to the modern quarter of Gràcia and immerse yourself in its unique Catalan Modernism style. See buildings of extraordinary designs, such as the Casa Batlló and La Pedrera.

Later, weave your way through Vila de Gràcia, Barcelona's coolest suburb and its true administrative and commercial center. Admire the 33-meter tall bell tower, crowned with the famous bell of the "Marieta." Get brilliant views of Casa Vicens, considered one of the first buildings of the Art Nouveau movement and the first house designed by Gaudí. Journey along Passeig de Sant Joan to reach the astonishing Sagrada Familia, Gaudí's unfinished basilica, under construction since 1883.