Following the April 19, 1775 fighting retreat through Lincoln's stretch of the Battle Road
The ground remembers what happened on it, long after there is nothing left to see. Four stops over 2.5 miles, about 21 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.
Lincoln 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.