A walk through Boston is a walk through time. On this guided walk through the Greenway and along the Waterfront, observe how Boston’s urban landscape has changed as you uncover the clues left behind. From cobblestone streets to the first subway to the Big Dig, Boston has led the way in urban transformation. For hundreds of years, the city has changed to meet the demands of people, business, transportation and public health. Together we will walk from the narrow streets of 17th-century Boston to the modern city, exploring a city reengineered!