The Union Canal, once a vital water-based interstate highway system, is now recognized for its historic tunnel, an engineering feat that stands as the oldest existing transportation tunnel in the U.S., despite the canal’s overall failure and short lifespan.
Bob Frye
Bob Frye is a long-time, award-winning journalist and book author. He’s written for newspapers, blogs, magazines and other outlets, often about the outdoors, but also about history, culture and more. A native of western Pennsylvania, he relocated to the Lebanon Valley in 2020 and now lives in Cleona.
Spanning time and water: Inwood Iron Bridge finds new home on Swatara Creek
Once a vital transportation link, the Inwood Iron Bridge now offers visitors an up-close look at the engineering and history of Pennsylvania’s metal truss bridges.