MILWAUKEE, WI.- It has been named the sexiest building in the world, featured in TV ads and shows and Hollywood movies, and it has transformed the city of Milwaukee. In September, the Milwaukee Art Museum celebrates the 10th anniversary of its iconic building, the Quadracci Pavilion, with the exhibition Building a Masterpiece: Santiago Calatrava and the Milwaukee Art Museum. Designed by internationally renowned architect Santiago Calatrava, the Quadracci Pavilion was the Spaniard’s first completed commission in the United States. In 2001, it was named TIME Magazine “Best Design of 2001.” “The exhibition features watercolors and models by the architect—works of art in themselves—that track the evolution of the building’s design,” said Chief Curator Brady Roberts. “The watercolors have a stream-of-consciousness-like quality, as the imagery flows from humans to sails, to Lake Michigan, to unc