Hit the highlights if you only have one day in Boston: Morning - Get your introduction to Boston and its colorful past by walking the 2.5-mile Freedom Trail*** through downtown and the North End*. Stop for lunch in one of the North End's authentic Italian restaurants (see p 29). Afternoon - Visit the Museum of Fine Arts, Boston*** to see their mind-boggling collection of art from around the globe. Don't try to do it all in one afternoon, though; after a couple of hours, give the kids a break at the New England Aquarium**. Evening - Take in a performance of the world-renowned Boston Symphony Orchestra*** in historic Symphony Hall. ...and if you have a second day: Morning - Marvel at the art and lovely courtyard garden at the Isabella Stewart Gardner Museum***, which is modeled after a 15C Venetian palace. Afternoon - For lunch, comb the food stalls at Quincy Market, located within Faneuil Hall Marketplace**. This complex of early-19C buildings now teems with shops and eateries. After lunch and shopping, take the subway to Cambridge** for a tour of the Harvard University*** campus. Evening - Treat yourself to a meal in one of Boston's wonderful restaurants (see Must Eat). If time permits, try these quintessentially Boston things to do: * Catch a Red Sox game at Fenway Park**. * Attend a Boston Pops** concert on the Charles River Esplanade*. * Float your way around Boston Public Garden** in a swan boat. * Prowl for exotic produce and haggle with the vendors at Haymarket, a bustling outdoor marketplace near Faneuil Hall. * Explore the USS Constitution** and imagine life on the open seas aboard "Old Ironsides." * Shop for designer duds on Newbury Street**. * Stroll the cobblestone streets and ogle the timeless brownstones in Beacon Hill**.