By the time a product has been around for a century or more, it has produced mountains of nostalgia-inducing memorabilia. At Coca-Cola (age: 104), that history had been gathering dust in the company's Atlanta archives until several years ago, when Coke realized its marketing value. Last week the company opened a $15 million corporate museum called the World of Coca-Cola (admission: $2.50). The three-story building houses more than 1,000 artifacts, memorabilia and documents, ranging from 75-year-old green-glass bottles to advertising posters with tag lines like "The Ideal Brain Tonic" and "Coke Is It."
Corporate museums are gaining in popularity, in part...