Below sea level: A northbound light rail train briefly ducks below sea level as it reaches the nadir of the bore between International District and Pioneer Square Stations in the Downtown S... (more)
NS 8101, the Central of Georgia heritage unit, is seen here leading its first train towards the southwest Virginia coal fields, thru Natural Tunnel. Casey Thomason photo, copyright Norfolk Southe... (more)
Shortly after being released from the Chattanooga shops in Chattanooga,TN, the SOUTHERN heritage unit 8099 leads an empty hopper train in it's first trek through the Natural Tunnel. A true Souther... (more)