The glow from an orange sunrise catches the California Zephyr as it runs through Keenesburg, Colorado.

Amtrak engine #180 (P42DC) leads the California Zephyr through Keenesburg, Colorado at sunrise.

A bright sunrise casts an orange glow over the California Zephyr as it runs through Fort Morgan, Colorado.

The snow clouds are hanging low, but the sunrise paints a narrow band of pink on the horizon that is reflected off the sides of the California Zephyr as it runs through Keeensburg, Colorado.

Sunrise catches the California Zephyr as it runs through Keenesburg, Colorado.

Low clouds at sunrise gives the California Zephyr a golden glow as it runs through Keenesburg, Colorado.

The California Zephyr runs through Keenesburg, Colorado as the sunrise creates and orange glow on the horizon.

BNSF 7252 (ES44DC) muscles an intermodal train towards Hudson, Colorado, with the snow-covered Rocky Mountains in the background.

BNSF 6716 (ES44C4) leads a stack train through the Keenesburg Cut on the Brush sub.

The California Zephyr 5 train times its arrival in Keenesburg, Colorado with the beautiful Colorado sunrise.

Dawn is breaking as the California Zephyr 5 train kicks up the dry dirt and grass as it runs east of Keenesburg, Colorado.

A rare sight on the Brush Sub finds two Norfolk Southern units leading a coal train east towards Keenesburg, Colorado.

Amtrak engine 146 (P42DC) leads the California Zephyr through a curve at Keenesburg, Colorado at dawn.

The California Zephyr runs through Keenesburg at sunrise with wildfire smoke creating an orange glow over the valley.

Dawn is breaking as the California Zephyr runs through the sweeping curve at Keenesburg, Colorado as it heads towards Denver.