See larger Sen. Lamar Alexander talks about the history of U.S. 321 and how the Scenic Highway designation helped make the route into the Great Smoky Mountain National Park one of the most attractive approaches to a national park anywhere.

Photo by Leslie Karnowski

Sen. Lamar Alexander talks about the history of U.S. 321 and how the Scenic Highway designation helped make the route into the Great Smoky Mountain National Park one of the most attractive approaches to a national park anywhere.

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