However, this little city at the foothills of the Appalachians has been working hard to clean itself up.

In April, Chattanooga earned the title of the firstNational Park Cityin the U.S.

Since the 1970s,the city has taken bold stepsto clean up through legislation and voluntary actions.

A tree-lined street in Chattanooga, Tennessee, showing buildings, cars, and a view down the road to a city area

A quiet street lined with lush green trees in Chattanooga, Tennessee.Credit:larrybraunphotography.com/Getty Images

The result is a city that feels like it grew into naturenot over it.

For those looking for a green, urban escape, Chattanooga is an ideal choice.

The city is home to over 70 parks and 35 miles of trails.