The long abandoned tracks of the 1907 Bow Tunnel are a reminder of the history of the PRR's Conemaugh Division. The tunnel was closed in 1950 and the line relocated to the steel bridge erected abo... (more)
Interior view of the Great Northern's original Cascade tunnel. This tunnel was abandoned in 1929 when the 7.8 mile tunnel was completed. View is looking to the east from approx. 250 feet inside.