Here is some interesting information about wineries in the USA. Good travel to wineries information, too!
From their website, “The Internet’s most comprehensive and up-to-date free source of information about American wineries. Our goal: Happy wine drinkers and happy wineries! AmericanWineryGuide.com is designed to help wine drinkers discover America’s best wineries, wine tasting events, and wine tourism-related businesses. Use the Winery Search Tool to search through thousands of American wineries to find those that provide exactly the things that you think are important. Read winery visitor reviews and AmericanWineryGuide.com staff reviews, compare winery ratings and add wineries to your favorites. Use the Itinerary Planner to create your own custom wine tasting itinerary.”
Here is a link to American Winery Guide. There is a permanent link to their site in the sidebar. Enjoy!