Chattanooga was once one of the most polluted cities in the country. Now, it's North America's first National Park City. larrybraunphotography.com via Getty Images Chattanooga has been named North ...

Chattanooga is a place of rejuvenation and restoration, making it all the more special that the municipality has become North America's first National Park City, the founder of the movement said.

Chattanooga has become the first National Park ... city as London or even a large city as Adelaide, Australia, I think it really shows what a city of our size can do. Even though we're nowhere ...