A bright orange sunrise glints off the stainless steel of the California Zephyr as it runs through Keenesburg, Colorado.

The California Zephyr runs through Keenesburg, Colorado at sunrise.

The California Zephyr 6 train rousts the pigeons as it runs past the Union Pacific's North Yard in Denver, Colorado.

Amtrak’s California Zephyr dashes its way west through a winter wonderland at Crescent while slowly climbing Colorado’s Front Range mountains on March 15, 2024.

The California Zephyr runs through Coal Creek Canyon as it heads into the Moffat Tunnel District and the Colorado Rocky Mountains.

In a dispatching move that didn't quite make sense, the California Zephyr 5 train meets the California Zephyr 6 train, but since a UP oil train occupied the siding at Rocky, Colorado, the 5 train ... (more)

The California Zephyr 6 train runs over the South Platte River as it leaves downtown Denver over 21 hours later than scheduled. The train was held at Frazer, Colorado while winds over 98 mph batt... (more)

Amtrak heritage unit #161 leads the California Zephyr 6 train through Winter Park Ski Resort

Amtrak engine #169 (P42DC) leads the California Zephyr through a sunny but snow packed Crescent, Colorado.

On March 20, 1949, the first run of the original California Zephyr departed Chicago, Illinois, bound for the west coast. A 75th anniversary run of the westbound California Zephyr, Amtrak’s train... (more)

Amtrak GE P42DC No. 82 has been repainted in the new Phase VII paint scheme and leads the westbound California Zephyr as it approaches Plainview, Colorado, on March 19, 2024.

Amtrak’s Winter Park Express heads west through Crescent, Colorado, the morning after a big Front Range snowstorm to the delight of the skiers aboard that are ready to hit the slopes of Winter P... (more)

The California Zephyr 5 train has left Denver behind as it begins the climb into the Colorado Rocky Mountains on the Moffat Tunnel Sub.

One of the newly painted Phase VII P42DC's leads the Amtrak Winter Park Express Ski Train through Plainview, Colorado. A heavy snowstorm dropped three feet of snow in the area.

A crewmember gives two thumbs up as the California Zephyr runs through Crescent, Colorado, where four feet of snow fell overnight.