Hotel Valley Ho in Scottsdale reopens this December. The original resort was designed in 1956 by Frank Lloyd Wright student Edward L. Varnay and became popular with such stars as Bing Crosby, Tony Curtis, Janet Leigh and Zsa Zsa Gabor. It is now run by Westroc Hospitality, the company behind Sanctuary on Camelback Mountain Resort and Spa in Paradise Valley. There are 194 rooms and suites (favorites may well be the Terrace Suites! The spa has eight treatment rooms and (the fitness center, with mountain view, is 24 hours. General manager is Andrew Chippindall. Website: www.hotelvalleyho.com Palacio Duhau Park Hyatt Buenos Aires, in the chic Recoleta district of the Argentinian capital, opens in February. It is a renovation and expansion of a glorious porticoed mansion. Now there are 165 rooms and suites designed by Caparra. Entelman & Petrocchi Studio (favorites will be the 1,772-square-foot Alvear Suites, with stunning city views from wrap-round balconies). General manager is Christophe Lorvo. Website: www.buenosaires.park hyatt.com Try to be the first to reserve for Amangiri, which is scheduled to open in 2007 on 670 virgin mountain-desert acres near Lake Powell. The developers are Canyon Equity. Architects Wendell Burnette, Rick Joy and Marwan Al-Sayed are working on 34 bedrooms [900 square feet) and 28 for-sale villas (6,000 square feet) plus a 12,000-square-foot spa. The general manager has yet to been appointed. Website: www.amanresorts.com