The Longest Tunnel In Pennsylvania Has A Truly Fascinating Backstory

When we think of Pennsylvania history, we probably think about the birthplace of America and Gettysburg, the site of arguably the bloodiest Civil War battle. However, so many other spots also boast fascinating histories. The longest tunnel in Pennsylvania, for example, dates back decades and only earned the title of the longest tunnel after another popular tunnel permanently closed.

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Did you know Allegheny Mountain Tunnel is the longest tunnel in Pennsylvania? Have you driven through it? Join the conversation in the comments! Horseshoe Curve Tunnel in Altoona is also worth a visit. You might even experience the paranormal.

Address: Allegheny Mountain Tunnel, Berlin, PA 15530, USA