Illa (L') Barcelona, Spain

A popular, busy and successful shopping center, it's spread over three floors of a huge avant-garde architectural wonder in one of the city's busiest business districts. In addition to all the shops, you'll also find a fresh food market, a supermarket, several restaurants, a hairdresser's, a hotel and numerous offices. The best stores include FNAC, Decathlon for sports, the hypermarket Caprabo, Bang & Oluffsen for exclusive audio-visual equipment, bags and suitcases from Mandarina Duck, Agatha's accessories, the Disneyshop, Zara for fashion, and restaurants like Pizza Hut and Monchos.