A woman inherits a map of a World War I battlefield in France from her grandfather, an engineer under General Pershing. The map is of St. Mihiel, a little-known but key battle in which U.S. forces ...

Pinpoint key locations along the Western Front, watch the general movements of both sides and view the battles of Ypres, Verdun and the Somme in more detail.

A woman inherits a map of a World War I battlefield in France from her grandfather, an engineer under General Pershing. The map is of St. Mihiel, a little-known but key battle in which U.S. forces ...