AM's Free Boston Tours offers free guided walking tours of historic Boston covering the main Downtown sites plus some additional sites in Beacon Hill and the West End. These tours, which last between 1.5 and 2 hours, are supported only by voluntary tips (gratuities). They are a budget-friendly way for everyone to see the sites and provide for an excellent introduction to the city. Tours run Wed-Sun at 10:30AM. Check them out at www.amsbostontours.com