The article reviews several art exhibitions in New York City in 2006. These include "Robert Rauschenberg: Combines," at the Metropolitan Museum through April 2, "In-Depth: The House of Spiritual Retreat by Emilio Ambasz," at the Museum of Modern Art through March 6, "David Smith: A Centennial," at the Guggenheim Museum through May 14, "Skin Is a Language," at the Whitney Museum of American Art through May 21, and "Fashion in Colors," at the Cooper-Hewitt National Design Museum through March 26.