<p>This season the history we're starting with is really, really old. We are exploring the geological history of the rocks and mountains the Appalachian Trail runs through. We will also answer the age-old question, are the mountains actually getting taller?</p>

This season the history we're starting with is really, really old. We are exploring the geological history of the rocks and mountains the Appalachian Trail runs through. We will also answer the age-old question, are the mountains actually getting taller?

Geological Time

The Green Tunnel explores the history and culture of the United States' most iconic long-distance hiking trail, the Appalachian Trail. Hosted by Mills Kelly, the show delves into topics including the quirky history of trail food, the shelters and structures built along the trail, and dangers you might encounter during a hike.

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Geological Time

Geological Time

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