Williamsburg, VA

[wondersofwine]

I second the recommendation of Trellis. There is also a restaurant where you can sample "colonial" dishes like squash soup or peanut soup and Sally Lunn bread. There is more than enough to see in Williamsburg but some people also get to Yorktown and Jamestown (I finally got to the latter on my second or third trip).
Try www.virginiawines.org for other vineyards. Horton has received some good reports and is in the central region of Virginia near Gordonsville. The Eastern region vineyards would be closer to Williamsburg.