Summary: <p>FAMILY FUN FOR WINTER BREAK: Whether you've got relatives in town for the holidays or need to entertain the kids over winter break, you're probably in the market for fun winter activities. Maybe you think you know all the local attractions, but you might be surprised to discover the range of hidden gems and unusual things to do in the Washington area — including a number of lesser-known spots within familiar institutions. We've got the scoop on what to do now that winter's here. (52 min.)</p>
