“As part of its ongoing 50th anniversary celebration, the museum invited nearly 200 architects, artists and designers to propose fanciful new uses for the 90-foot-high rotunda of its Frank Lloyd Wright-designed building.” The curators “asked the participants, whose biggest names include Anish Kapoor, Zaha Hadid, Richard Meier, Alvaro Siza, Toyo Ito and Rachel Whiteread, to leave ‘practicality and even reality behind’.”