Here are the top 5 (based on the number of people who have recommended them to Kevin):
David Foster Wallace, "Federer As Religious Experience." The New York Times, Play Magazine, August 20, 2006.
David Foster Wallace, "Consider the Lobster." Gourmet Magazine, Aug 2004.
Neal Stephenson, "Mother Earth, Mother Board: Wiring the Planet." Wired, December 1996. On laying trans-oceanic fiber optic cable.
Gay Talese, "Frank Sinatra Has a Cold." Esquire, April 1966.
Ron Rosenbaum, "Secrets of the Little Blue Box." Esquire, October 1971. The first and best account of telephone hackers, more amazing than you might believe.
My contribution to the list is Susan Orlean, "Orchid Fever." The New Yorker, January 23, 1995.