Ninety feet below the East River, Amtrak’s 110 year-old train tunnels are slowly filling with salty water dripping on high-voltage cables as steel is nearly corroded to dust. Above ground, heads of ...

Discover abandoned railroads in Pennsylvania, from forgotten tunnels to historic bridges, offering scenic trails and powerful ...

A giant sinkhole that caused part of a highway near the top of a Colorado mountain pass to be shut down earlier this week was caused by thawing soil in an abandoned, century-old railroad tunnel, ...

As my friend Lize and I step into the mouth of the 582-foot Clarity Tunnel, I feel as if I am embarking on the physical act ...

The Albula Tunnel, the second longest on the Glacier Express line that cuts through the Swiss Alps, was opened in 1903. As a result, it's badly in need of renovation ...

A very old railroad bridge has a new look in Indiana Township, as township officials continue their efforts to restore the Rural Ridge tunnel along Little Deer Creek Valley Road to ensure optimal ...