Zillow and Redfin have new data that reveals the most expensive suburbs in each U.S. state. The most expensive suburb in all of the U.S. is Montecito, California with a recent median sale price of over $5 million. Other pricey suburbs of note include Palm Beach, Florida, West University Place in Texas, Rye, New York, and Brentwood, Tennessee. Check out the whole list over at TravelAndLeisure.com