Absolutely, that's one of our fondest things to do. Don't have the list with me now but we've visited wineries in Moab, UT, Cottonwood, AZ, near Cabello, NM, Cortez, CO, and others. We've found and enjoyed some really nice wines, nothing like a wine & cheese happy hour sitting out by the coach enjoying the scenery.
One thing we plan to do in the spring is to join
www.http://harvesthosts.com/
Sounds like a really neat thing, tour a winery and dry camp at their place.