Amtrak's eastbound California Zephyr, train #6, descends down the eastern slope of the Colorado Rockies around Big Ten Curve as it nears Denver, CO. Here, this already late train will come to a st... (more)
Here we see the California Zephyr rounding Big Ten Curve. Big Ten is a series of long curved sections of track ('Little Ten' is 90 degrees and the largest, 'Big Ten', is 270 degrees) with a track ... (more)
The ski train gets an early start as it heads up the Moffat Tunnel Sub, passing through Little Ten Curve, which will soon be followed by Big Ten Curve and then 28 tunnels on its way towards the Wi... (more)