Beneath the streets of Boston lies the remains of America’s first subway system, built in the late 1800s. In 1897 the city opened the Tremont Street Subway, allowing streetcars to run underground and ...

Most cities reveal themselves at street level, but their true stories often lie beneath. Beneath sidewalks and subways, hidden tunnel networks were constructed for moving goods, escaping danger, or ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Five of the most important ...