One of the most eye catching and colourful festivals in Barcelona is held in the district of Gràcia. The reason for this being such a visitable festival is that more than 25 street compete for the title of the best decorated streets meaning that the local really make a effort and put a lot of work into transforming their street. There are also numerous other activities like human castles and fireruns called Correfoc during this time making it a great place to visit and explore during this time.