From a 19th-century cannon foundry on the Charles River to the school that taught the blind to read
Water, brick and labour built Watertown. All three are still visible if you know where to look. Four stops over 4.9 miles, about 26 minutes of driving. The story for each stop plays as you arrive, so nothing has to be looked up and nobody has to be followed.
Watertown has two MassRoam tours and no two cover the same ground. It works as well at eight in the morning as it does at dusk. Stop for coffee, pick it back up.