After breakfast, begin your day admiring Barcelona’smain sights on your included Hop on – Hop off City tour. See all the key sights of this fantastic city including the Gothic Quarter which is the centre of the old city of Barcelona. Wander around the ancient winding streets where many of the buildings date from medieval times, some from as far back as the Roman settlement of Barcelona. A great number of buildings are World Heritage Sites. Especially remarkable is the work of architect Antoni Gaudi, which can be seen throughout the city. His best known piece of work is the immense but still unfinished Cathedral the Sagrada Familia, a symbol of Barcelona all over the world that has been under construction since 1882. Those who appreciate the work of Picasso will be spellbound by the Picasso Museum and if you wish to tread in the footsteps of the artistic genius, you can do so by visiting the landmarks that shaped his youth. Perhaps sampling the seafood at Gracia's seafood restaurants takes your fancy? Don’t miss the Tapas for lunch nor the chilled fruit Sangria. Barcelona also hosts some of Europe’s best shopping so make sure you leave some time for that. Overnight Barcelona.