Have you ever wondered why the Rio Grande chose "Aspen Gold" for its main color? This shot might help! Deciduous trees at their peak fall colors line both sides of the tracks near the we... (more)

This shot is only 36 miles west of Denver Union Station, yet we are deep in the Colorado Rockies. We are at the west end of the "Tunnel District" with the Zephyr passing through the shor... (more)

After six miles inside the Moffat Tunnel beneath the Continental Divide an eastbound coal train emerges from the East Portal into sunshine and fall color.