Exploring Pennsylvania’s historic Union Canal Tunnel Park
aired; May 26, 2026 Listen to the podcast to hear the full conversation. Hidden in Lebanon County is one of Pennsylvania’s most unique pieces of transportation history—the Union Canal Tunnel, recognized as the oldest existing transportation tunnel in the United States. On The Spark, Ed Martel Jr. discusses the history of the Union Canal and the tunnel that once helped connect Harrisburg, Reading, and Philadelphia during the 1800s. The conversation also explores the 110-acre Union Canal Tunnel...
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