Fast Facts:

Desert Ridge, Arizona

Master-planned community covering 5,700 acres off Highway 101, north of Phoenix and Scottsdale, Ariz. Under development since the early 1990s. More than 50,000 residents expected at full build-out. Major amenities include Desert Ridge Marketplace (1.2 million-sq.-ft. commercial centre), Mayo Clinic, golfing, Citycenter of Citynorth High Street.