Bizrestaurant.com contains a long list of restaurant resources related to International & US restaurants, restaurant business, catering, beverages, cooking, recipes, food service, and much more.
Diner City
Online guide to America's classic diners, restaurants, and roadside architecture by state. Listings include photos, street maps, and menus. http://www.dinercity.com
Online edition of the magazine devoted to America's roadside diners, with news, articles, and listings of featured eateries. Includes armchair roadtrips and recommended dining. Subscription required for the print version.