Uji in Japan is pilot testing RFID tags with information for touristsi:

According to Kyoto Shimbun, the city of Uji in Kyoto prefecture and the city of Hikone in Shiga prefecture will test RFID-based information services for sightseers. RFID tags will be embedded in the environment and sightseers will use mobile phones and PDAs with integrated RFID readers. Delivered to these devices is information about nearby sightseeing spots and stores. Hitachi and KDDI will join this project.

...via Smart Mobs