The secrets of Gaudí and the Sagrada Família a taxi-ride in the nude a fantastic model railway network below the central station a mysterious hand an extraordinary dissection hall an unsuspected anti-aircraft shelter a deadly kiss a museum in the back shop some very special toilets romance in love hotels or helicopters ants and scorpions on the menu.Night and day Barcelona only reveals its secrets to those residents and visitors who know how to stray off the beaten track. But you have to know where to look.An indispensable guide for those who thought they knew Barcelona well or who would like to discover the hidden face of the city.