The Aquadettes Synchronized Swim Team, California, 1996Photograph by Karen KasmauskiMembers of the Aquadettes, a synchronized swimming team at Leisure World Retirement Community in Laguna Hills, California, practice their formations. Activities like line dancing, lawn bowling, and computer classes make such retirement communities increasingly popular among people with decades of free time to fill. "Anyone who's bored here is a stick in the mud," says Aquadette Barbara Hack.