The tree-lined environs of the Talimena National Scenic Byway near Mena, Arkansas.
Fog rolls through the Rocky Mountain foothills near Golden, Colorado.
Morning fog in a forest near Mena, Arkansas.
Fog covers the forested mountains above Ketchikan, Alaska.
A bulldozer waits in a field on a foggy day near Chambersville, Texas.
Fog on a country backroad near Chambersville, Texas.
Morning fog on the Talimena National Scenic Byway near Mena, Arkansas.
The ramp to the observation tower at Clingmans Dome curves through the early-morning Great Smoky Mountains National Park fog.
A sunflower catches the last light of day as a fog rolls into North Texas at McKinney.