An orange sunrise glints off the engines and cars of the California Zephyr as it heads west on the Brush Sub through Keenesburg, Colorado.

Winter Park Express Shortly after sunrise running west up the grade at Leyden, CO

The Amtrak Winter Park Express kicks up fresh snow on the tracks at sunrise as it heads west on the Moffat Tunnel Sub through Leyden, Colorado.

The color of the sunset begins to fade as the blue hour takes over while the California Zephyr #6 train arrives in Denver, Colorado.

A gorgeous Colorado sunrise catches the California Zephyr passing through Keenesburg, Colorado as it heads towards Denver on the Brush Sub.

US Sugar 148 rolls into the sunset at Liberty Point near Clewiston, Florida. This was a common sight in the 1950s that is also now also common in the 21st Century thanks to the efforts of Operati... (more)

The California Zephyr heads west on the Brush Sub through Keenesburg, Colorado as an amazing sunrise paints the sky orange.

The golden sunrise glints off the Amtrak Winter Park Express Ski Train as it runs through Leyden, Colorado on its way into the Colorado Rocky Mountains on the Moffat Tunnel Sub.

Snow clouds provide a dynamic sunrise as the few inches that fell along the Denver Front Range get whipped up by Amtrak's Winter Park Express Ski Train as leaves Denver and heads towards the ski r... (more)

Sunrise begins to break as BNSF 3304 (ES44ACH) leads a loaded coal train west on the Brush Sub at Barr Lake.

A golden sunset reflects off of the BNS Z Train as it runs west on the Brush Sub through Roggen, Colorado. Included in the consist, aside from the stack cars, are 4 Metra F-40PH engines.

CSXT 7210 leads a northbound manifest across the Doodletown Bight trestle at the north end of Iona Island.

One of the oldest Amtrak motors leads the Winter Park Express Ski Train west on the Moffat Tunnel Sub at sunrise, leaving the Denver Skyline visible in the lower right behind.

WAP7 hauled 22731 Hyderabad Mumbai Express under golden winter morning light rushing towards Pune for it's next commercial halt.

he sun has only just slipped below the horizon, with the final golden hues fading into a canvas of deepening blues and purples as nautical twilight settles over the winter sky... Meanwhile, a P... (more)