A surviving stretch of an ancient Roman road winds through a forest near Klais, Germany. This remarkably well-preserved stretch was part of the Via Raetia, an

A surviving stretch of an ancient Roman road winds through a forest near Klais, Germany. This remarkably well-preserved stretch was part of the Via Raetia, an important Roman road that crossed the Alps and connected northern Italy with the province of Raetia in what is now southern Germany. Runnin…