If you take the long way to Harrisburg via the Lincoln Highway (Route 30), snapshots of America unfold as if the decades are tracked in 20-mile segments. One of the country’s original transcontinental roads, constructed circa 1912, it runs from Times Square to San Francisco—but not without dipping through Philly first. This portion of the route was carved from 18th-century wagon trails on which produce was brought to market.
Back then, Pennsylvania was the budding nation’s agricultural powerhouse. You’ll learn at the Pennsylvania Farm Show that it still packs a punch.