The California Zephyr passes a herd of cows at Rocky, Colorado as the train heads towards Denver.
Amtrak engine #136 (P42DC) leads the California Zephyr through Tunnel #1 and will continue to drop in elevation as it heads to Denver on the Moffat Tunnel Sub.
The California Zephyr rounds the base of Big Ten Curve and will soon be backing into Denver's Union Station.
Amtrak engine 136 (P42DC), with a friendly wave from the engineer, leads the California Zephyr down the hill from Tunnel #1 and into Coal Creek Canyon on the Moffat Tunnel Sub.
The California Zephyr #6 train runs through the fabled Big Ten Curve as it heads east on the Moffat Tunnel Sub towards Denver, Colorado.
The California Zephyr #6 train exits Tunnel #1 and will soon drop into Coal Creek Canyon on its way to Denver, Colorado.
Amtrak engine 136 (P42DC) leads the California Zephyr #6 train down the 2% grade into Coal Creek Canyon as it heads to Denver on the Moffat Tunnel Sub.
The red sky in the morning sunrise is due to the number of wildfires that are burning on Colorado's Western Slope. The California Zephyr runs through the crimson sunrise at Roggen, Colorado as ... (more)
It's a beautiful Friday morning in the desert as the eastbound California Zephyr glides out of Thompson Springs heading for Grand Junction and eventually Chicago.
Amtrak P42DC 136 and 61 leading the westbound California Zephyr Train AMTK 5 on the Moffat line.
The California Zephyr reflects off a puddle as it approaches downtown Denver, Colorado and will soon back into Denver's Union Station.
A golden sunset casts a glow over the California Zephyr as it heads towards Union Station in downtown Denver, Colorado
The California Zephyr seemingly dives into the east portal of the Moffat Tunnel as the Tolland valley glistens gold with fall aspen colors.
The California Zephyr gets ready to enter the east portal of the Moffat Tunnel at Tolland, Colorado.
The fall colors are in full swing for the passengers and crew of the California Zephyr as it runs through Tolland, Colorado on the Moffat Tunnel Sub.