Eastbound California Zephyr en route to Bond, Colo., along the Colorado River.

Amtrak's California Zephyr on the Colorado River near Bond, Colo., between Kremmling, Colo., and Burns, Colo.

Amtrak's California Zephyr curves along the Colorado River near Bond, Colo., between Kremmling, Colo., and Burns, Colo.