If your trip to Boston is all organized but your itinerary is a little on the empty side, we can give you a few hints and tips.You might need to ask your boss for a couple more days off, because Boston is full of iconic attractions. Start off with Faneuil Hall Marketplace and Boston Common. Don't miss TD Garden and Boston Public Garden either.Take in the best that this city has to offer by adding Boston City Hall and Massachusetts State House to your to-do list. If you have an extra day or two to spare, have a look at Orpheum Theater and Boston Opera House as well.Near the city center, Copley Square is one sight you might like to consider adding to your must-see list. If you still have space on your itinerary, Boston Harbor and Quincy Market will keep you entertained as well.