UP 7498 (ES44AC) shoves a loaded coal train into Coal Creek Canyon as the mid helpers cross the bridge over Highway 72.

Amtrak heritage engine #164 (P42DC) leads the California Zephyr over highway 72 in Coal Creek Canyon, Colorado.

The California Zephyr with a newly painted Phase VII on point rounds the corner in Coal Creek Canyon, Colorado as it heads into the Rocky Mountains on the Moffat Tunnel Sub.

BNSF 8751 (SD70ACe) runs down the 2% grade at Coal Creek Canyon and into a bright sunrise as it runs east on the Moffat Tunnel Sub.

BNSF 8751 (SD70ACe) runs down the 2% grade through Coal Creek Canyon as it heads to Denver on the Moffat Tunnel Sub.

The California Zephyr runs west on the Moffat Tunnel Sub as it begins the journey through 28 tunnels between Plainview, Colorado and the Winter Park ski resort.

The Amtrak Winter Park Express Ski Train looks like it is about to time travel as it heads up the 2% grade out of Coal Creek Canyon towards Tunnel #1.

Amtrak engine #204 (P42DC) leads the California Zephyr through Tonville, Colorado at sunrise as it heads west towards Denver on the Brush Sub.

Two Phase VII P42DC's lead the California Zephyr train through Coal Creek Canyon on the Moffat Tunnel Sub.

Amtrak engine #10 (P42DC) leads the Winter Park Express Ski Train up the 2% grade to Tunnel #1 as it heads west on the Moffat Tunnel Sub.

BNSF 6297 (ES44AC) makes the 180-degree turn in Coal Creek Canyon as the rest of the train follows through Tunnel #1.

Light snow falls over Coal Creek Canyon as Amtrak engine #77 (P42DC) leads the California Zephyr over the bridge spanning Highway 72.

Amtrak engine 138 (P42DC in Phase VII paint) leads the California Zephyr #5 train as it climbs the 2% grade out of Coal Creek Canyon towards Tunnel #1 at Plainview, Colorado.

The California Zephyr climbs the 2% grade out of Coal Creek Canyon towards Tunnel #1 as it begins the trek through the Moffat Tunnel District and the Colorado Rocky Mountains.

Two Phase VII engines lead the California Zephyr through a snowy Coal Creek Canyon as it heads west into the Colorado Rocky Mountains on the Moffat Tunnel Sub.