History seekers can follow Boston's red-brick trail to the beginnings of the Republic. From the site of the Boston Massacre to the Bunker Hill Monument, the historic landmarks of Boston exemplify the greatest events in American history. This handy guide to the Freedom Trail, the route linking these sites, has been updated with expanded descriptions of the landmarks and improved locator maps.Covering 3 miles and 16 sites, the Freedom Trail attracts over 2 million visitors a year.