EVERYWHERE Comfortable Heels After four years of research and development, this month Kenneth Cole debuts his new 925 Technology line of pumps designed with high-tech Poron foam cushions in the soles.

LONDON London Design Festival See the latest in new design, from Penguin chairs by Peter Opsvik for Varier (above) to a life-size interactive chess set in Trafalgar Square by Jaime HayĆ³n (Sept. 19-27).

NEW YORK CITY Coco Before Chanel French actress Audrey Tautou plays a convincing Coco Chanel in director Anne Fontaine's film about the fiery fashion designer's long and colorful life and career (opens Sept. 25).

WASHINGTON Corcoran Gallery...