By Mary Carroll, Contributing Reporter
RIO DE JANEIRO, BRAZIL – It can often be a task to keep children entertained when traveling as a family unit, and although Rio offers plenty to keep the adults occupied, activities for kids require a little more research and planning. Fortunately Rio's natural surroundings offer a wide variety of outdoor activities, and the city also has a growing number of indoor adventures as well.
Perhaps the most obvious choice for most on a sunny day in . . .