List of historic sites preserved along Rochambeau's route
A series of sites along the Washington–Rochambeau Revolutionary Route have been listed on the U.S. National Register of Historic Places or otherwise recognized and preserved. Buildings or roadway or other artifacts at these sites have been preserved and still evoke the army's passage in 1781 and its return in 1782.
Source: Wikipedia — List of historic sites preserved along Rochambeau's route (CC BY-SA 4.0)