If you're going to the Arizona Biltmore in Phoenix anytime soon, expect things to be a little different.
The geometric patterns of the Frank Lloyd Wright-style block exterior haven't changed at the Waldorf Astoria resort, which opened in 1929, but its 740 guestrooms and common areas have.
This spring, the hotel will complete a $35-million face-lift that creates a contemporary feel yet stays true to its design roots. The geometric patterns of its block exterior have been spun into hallway carpeting and guestroom accents.
In guestrooms and suites, soft colors...