The California Zephyr makes the S curve at Rocky, Colorado.

A late California Zephyr 6 train runs through Roggen, Colorado.

A late California Zephyr provides the opportunity to get a shot at Barr Lake with the sun on the nose.

A late California Zephyr 6 train runs past West Tonville as it goes east on the Brush Sub.

Amtrak engine #11 leads the California Zephyr through West Tonville, Colorado on the Brush Sub.

Amtrak engine #160 (P42DC) in the 'Pepsi Can' 50th anniversary paint scheme made its debut in Colorado leading the California Zephyr through Keenesburg.

The California Zephyr runs through the curve at Plainview, Colorado on the Moffat Tunnel Sub.

The California Zephyr runs through 'The Cut' as it heads towards Rocky, Colorado on the Moffat Tunnel Sub.

The California Zephyr runs towards Keenesburg, Colorado on the Brush Sub as a bright sunrise creates a golden glow.

Sleet is falling as the Winter Park Express Ski Train heads back to Denver by running though Coal Creek Canyon on the Moffat Tunnel Sub.

May Snow in the Rockies
Heavy snow left a winter wonderland along the South Boulder.

Winter Sunrise on Denver
Westbound just after first light Amtrak 1105 the WPE is leaning into it at Leyden just after 0730.

Old meets New. Morning storm clouds oversee the California Zephyr meeting a BNSF officer's train in Keensburg, Colorado, passing the 1952 business car 'Gerald Grinstein'.

A fresh snow has fallen on the ground overnight in Trinidad, Colorado making some fantastic sunny photo opportunities in the morning. One of the more challenging shots on the line, the intermediat... (more)

The California Zephyr runs through Roggen, Colorado at sunrise, kicking up dirt and debris along the way due to the dry conditions in Colorado.