Looks like culinary tourism is becoming more noticeable now as more and more people start exploring their inner gourmands. Most of the time these tours involve travelling to restaurants, markets, vinyards, food districts... whatever you can imagine to whet your appetite, chances are one tour or another may take you there. For example, one can actually bike around California's Napa Valley to visit the various vinyards to sample their wines and indulge on some of the finest cuisine in the region.
Then there's this one that a Globe and Mail reporter took around Tokyo. Now that's more than enough reason for me to go back and visit that city!