Amtrak 79 hustles west on the double track between Raleigh and Cary.

The Carolinian arrives in Cary behind Amtrak P42 #7.

The California Zephyr heads into the east portal of the Moffat Tunnel as the changing aspen provide a gold backdrop on the mountain.

The California Zephyr has a yellow signal as it approaches the Moffat Tunnel on a beautiful fall sunny day in the Colorado Rockies.

The California Zephyr enters the east portal of the Moffat Tunnel. This perspective shows how the tunnel entrance drops in grade. This is the setting of the great new book titled The Last Zephyr... (more)

Amtrak's eastbound California Zephyr passes Castle Gate as it nears its next station stop in Helper.

Westbound California Zephyr running through Byers Canyon is just spectacular. It seems very few trains run through there now. Still, a very scenic ride between Denver, Colorado and San Francisco, ... (more)

AMTK 7 (P42DC) leads the California Zephyr through Keenesburg, Colorado on the Brush Sub.

The orange glow of a Colorado sunrise catches the California Zephyr passing through Keenesburg, Colorado on the Brush Sub.

The California Zephyr 6 train was about 8 hours late leaving Denver, which afforded the opportunity to get a shot as it ran east on the Brush Sub in sunlight.

The California Zephyr 5 train runs through Keenesburg, Colorado at sunrise on the Brush Sub.

Light snow is falling as Amtrak engine 007 joins a 50th anniversary P42 as they lead the California Zephyr through Coal Creek Canyon and over Highway 72.

The California Zephyr 5 train leaves Denver behind at dawn as it kicks up the snow and heads towards Leyden, Colorado on the Moffat Tunnel Sub.

The California Zephyr 5 train leaves Denver, Colorado and heads towards Leyden as it begins the journey to the Colorado Rocky Mountains.

Amtrak engine #7 (P42DC) guides the California Zephyr through Coal Creek Canyon and will soon enter the Moffat Tunnel district where it will pass through 30 tunnels.