They turn various hues of red and purple. And the marsh starts turning brown, as the cattails and the sedges turn brown. There's a real nice contrast between the marsh and the woodland areas. Huntley Meadows has fauna to complement the flora. Bluebirds nest in the snags in the swamp areas.
Blue herons appear everywhere.
And until the first frost, you'll see butterflies and dragonflies galore. Route 619 in Prince William County Between Prince William Forest Park and Quantico Marine Corps Base runs Route 619. It has a lot of loops and ups and downs. And, of course, it's tree-lined. You can pick up Route 619 at Exit 150 off I-95.