The last light of day sets the sky afire in the Ouachita Mountains near Mena, Arkansas.
The first light of morning at Tandy Hills Natural Area, Fort Worth, Texas.
Fog rolls through the Rocky Mountain foothills near Golden, Colorado.
The sun rises on Fort Worth, Texas’ Tandy Hills Natural Area.
A tree at Tandy Hills Natural Area in Fort Worth, Texas, is silhouetted by the first light of dawn.
A cold October morning at Cherry Springs Nature Area near Pocatello, Idaho.
The sun sets on the forests of the Ouachita Mountains near Mena, Arkansas.