Arizona Biltmore, a Waldorf Astoria Resort in Az Zuwāydah

Built in 1929, this luxury resort is set on 39 lush acres, and is 8 miles from Phoenix Sky Harbor International Airport.Elegant, modern rooms feature flat-screen TVs, minifridges and Wi-Fi access; some have balconies. Suites and villas add wet bars, fireplaces and full kitchens. Club rooms have personal concierges and access to a private lounge with free drinks and continental breakfast.Amenities include 8 outdoor pools, a 92-ft waterslide and a swim-up bar, plus 7 tennis courts, 2 golf courses and 5 dining options. There's also a fitness center, a kids' camp and a playground, along with a spa (fee). A resort fee may apply.