The Winter Park Express Ski Train exits Tunnel #1 and runs into a winter wonderland of deep snow and thick flock at Plainview, Colorado.

Light snow and strong winds are greeting the California Zephyr as it runs through Crescent, Colorado on the Moffat Tunnel Sub.

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

The California Zephyr has left Denver, Colorado and runs through Arvada on the Moffat Tunnel Sub.

The California Zephyr runs through Arvada as it heads towards the Colorado Rocky Mountains on the Moffat Tunnel Sub.

The California Zephyr runs through the signals at West Tonville on the Brush Sub.

Darkness falls at Pinecliffe, Colorado as Amtrak's Winter Park Express Ski Train runs through Tunnel #29 on its way back to Denver Union Station.

Sunrise #1 of a multi dawn wake up call for me to catch the California Zephyr with some vibrant colors!

Big 10 curve surrounded by the foothills and Rocky Mountains in the distance shows the great climb the California Zephyr has ahead.

Snow is falling over Coal Creek Canyon, Colorado as the California Zephyr runs through the cut leading up to Tunnel #1.

Snow is whipped up by the California Zephyr as it runs through Arvada, Colorado after leaving Denver's Union Station.

The California Zephyr has just completed its Green River stop and is now heading east toward Grand Junction (and eventually Chicago).

The morning California Zephyr train out of Denver, Colorado runs through Coal Creek Canyon and will soon start the climb towards the Continental Divide and the Moffat Tunnel.

Amtrak engine #11 (P42DC) kicks up the snow as it leads the California Zephyr towards the east portal of the Moffat Tunnel.

The westbound California Zephyr passes through a Winter Wonderland in the midst of the area known as the Tunnel District. This is on UP's Moffat Tunnel Subdivision, located about 26 miles west of ... (more)