The growth of entertainment in museums brings them doser to other places of recreation and amusement and must in our opinion, be thought of in a large context. We present this problematic in relation to the notion of "experience" and to the major trends that fuel our contemporary economy. "Experience" is a word often used today in museum studies and in the advertising of museum events. In the first part, we explore how experience applies to what occurs in exhibitions, parks and historical sites : Colonial Williamsburg and Plimoth Plantation serve as examples. The second part links these observations in museums with analyses made by American economists and puts forward the hypothesis that an important part of the recent development and succ...