If you're truly a total beginner to on-street riding, find a good large business park on a Saturday or Sunday and start there. I did that when I started riding, at Ballantyne Corporate Park. Low traffic, wide lanes, etc. Also good to work on skill drills in those sorts of areas, no matter your level.
Once you get more experience under your belt, call up the bike shops and see if they have any rides/routes for beginners.
Some other links you might like:
Get Your Ride On! - Jeff Viscount runs this site, nearly every organized ride in CLT is on it
Bike Maps, Cycling Workout, Biking Routes | MapMyRIDE - For finding new routes for individual or small rides for yourself