A hike through miles of abandoned train tunnels along the Donner Pass near Lake Tahoe is like visiting a graffiti art gallery ...

City taxpayers still pay to maintain the subway tunnels, which have never carried a train or a passenger ... The cost of subway tunnels repair: An abandoned subway still costs Cincinnati 100 ...

Tucked away near Buena Vista, Colorado, the Midland Railroad Tunnels are a hidden piece of the state’s past. These old ...

To take one recent example, another "update" was provided in the Enquirer on thinking around what to do with Cincinnati’s infamous uncompleted subway tunnels ("In Cincinnati's abandoned subway ...

Abandoned hospitals, tunnels and castles are fast turning into top destinations for those in search of unusual adventures. One such place can be found in a small European capital. In Tallinn ...

AN URBAN explorer discovered eerie hidden tunnels beneath a busy Glasgow street. Mitchell Kelly found himself at the abandoned site under Argyle Street by “sheer luck”. In a YouTube ...