A waterfall continues on its ancient path through a rock formation near Bandelier National Monument in northeast New Mexico.

A clear, cold stream runs through downed trees in a grove of redwood above Big Sur, California

Pathways left by farm equipment cast shadows in a gleaned field in Yuma County, Colorado.

Late afternoon sunlight illuminates a cut wheat field as large clouds fill the sky, near St. Francis, KSq1

Sunlight breaks after a summer storm to illuminate a wheat field and a rainbow in Yuma County, Colorado

A shadow moves across a gleaned wheat field in central Kansas

Reflected light and color in the Arkansas River Valley of Southern Colorado

A rainbow appears just after a storm passes through the high plains of Colorado.

Golden wheat under a summer sky in central Kansas

Sunrise colors the sky behind a working windmill in Lincoln County, Kansas

A grain elevator rises in the distance behind a wheat field in tiny Carlton, Kansas

A surviving windmill stands against the western sky in the Pawnee Grasslands of eastern Colorado.

Golden field of wheat, ready for harvest, near Abilene, Kansas

White grain elevators stand against the a blue summer afternoon sky in Blue Rapids, Kansas

Just after sunrise in the Pawnee National Grasslands of Eastern Colorado