The original Big Bend Tunnel was opened in 1872 to carry the Chesapeake & Ohio Railway underneath Big Bend Mountain in Talcott, West Virginia.
The Mill Creek Tunnel was located along the Louisville & Nashville Railroad’s “Short Line” in Carroll County, Kentucky.
The Glady Tunnel is an abandoned 1,000-foot tunnel built for the Coal & Iron Railway under Shavers Mountain in Glady, West Virginia.
Sand Patch Tunnel is an abandoned 4,777-foot railroad tunnel that was constructed by the Pittsburgh & Connelsville Railroad in Pennsylvania.
The Natural Bridge Tunnel is along the abandoned Kentucky Union Railway (KU) which extended for 95 miles from Lexington to Jackson, Kentucky.
The Williamstown Colliery Tunnel is an abandoned circa 1874 railroad tunnel under Big Lick Mountain in Pennsylvania. The tunnel connected the Summit Branch Railroad to 19 underground coal veins and the vast Bear Valley coal fields.
Tunnel No. 6 is located along the mostly abandoned Baltimore & Ohio Railroad Wheeling-Pittsburgh Subdivision west of Washington, Pennsylvania.
The Torrent Tunnel is along the abandoned Kentucky Union Railway (KU) which extended for 95 miles from Lexington to Jackson, Kentucky.