UP 8834 (SD70AH) runs through Coal Creek Canyon as two mid-helper engines in the background run down the hill in the from Tunnel #1.

Amtrak #30 (P42DC) leads the Winter Park Express into the S curve at Coal Creek Canyon.

The Amtrak Winter Park Express runs through a snowy cut at Coal Creek Canyon, Colorado.

The hills are frosted with snow as the Winter Park Express Ski Train runs through Coal Creek Canyon, Colorado.

Amtrak engine #158 (P42DC) leads the California Zephyr through the trees in Coal Creek Canyon, Colorado.

Here we can see the entire Provo to Denver train led by BNSF 6339 (ES44AC) as it runs through Big Ten Curve at Rocky, Colorado.

BNSF 6339 (ES44AC) leads the Provo to Denver train with 5 other head end units, including two Kansas City Southern engines, down the hill from Tunnel #1 and into Coal Creek Canyon, Colorado.

The California Zephyr rounds the horseshoe curve in Coal Creek Canyon and will soon enter the first of 29 tunnels before it reaches the Moffat Tunnel at Tolland, Colorado.

The California Zephyr runs through the cut at Coal Creek Canyon as it heads towards Tunnel #1.

Amtrak's Winter Park Express runs through Coal Creek Canyon, which has been frosted with ice and snow from a storm the night before.

The California Zephyr runs through Coal Creek Canyon, and has a Federal Railroad Administration car in place of the baggage car.

The California Zephyr runs over the bridge spanning Highway 72 in Coal Creek Canyon. Notice the Federal Railway Administration car in place of where the baggage car would normally be.

The California Zephyr climbs out of Coal Creek Canyon and heads towards Tunnel #1 at Plainview, Colorado.

The Amtrak Winter Park Express ski train leaves Denver behind as it rounds Blue Mountain and heads into Coal Creek Canyon.

With the back of the oil can train still coming through Tunnel #1 in the background, UP 8995 (SD70AH) heads towards Blue Mountain Road in Coal Creek Canyon.