Private come car Northern Sky (800588) tags along the back of the California Zephyr as it heads towards the Moffat Tunnel in Tolland, Colorado.

The private car Northern Sky (800588) runs up the Moffat Tunnel Sub on the back of the California Zephyr. The former Union Pacific dome car was built in 1955 and has traveled often recently acros... (more)

Private dome lounge car Northern Sky (800588) passes the historic schoolhouse in Toland, Colorado as the California Zephyr heads to the Moffat Tunnel.

Private dome lounge car Northern Sky (800588) was built in 1955 for the Union Pacific. It is seen here running over the bridge spanning Highway 72 in Coal Creek Canyon on the back of the Californ... (more)