Completed in 2016, this engineering marvel has transformed European transportation and delivered significant environmental ...

Explore one of London’s best kept secrets on a walking tour of the historic Mail Rail Tunnels. The Postal Museum in Phoenix ...

Hidden in the mountains of South Africa, the 149-year-old abandoned tunnel is the oldest tunnel on the continent.

A tunnel was built under Caernarfon, in North Wales, more than 160 years ago as a railway link but then in the 1960s with ...

While there are over a thousand rail tunnels in the UK, most can be traversed in seconds. However, one tunnel in the Swiss Alps takes an astonishing 20 minutes to travel through. The Gotthard Base ...

The Hex River Tunnel was built nearly 150 years ago as a major route for trains but has now only become an adventure spot for many. The tunnel was constructed in 1876 to connect Cape Town with ...

Complicating the Gateway project are the unknowns underground, from an 1800s-era bulkhead supporting Manhattan to a former landfill on the path.

The tunnel was a historic creation but fell into dereliction and disrepair before it was given a new lease of life ...

The longest underwater tunnel in the world is being build between Germany and Denmark and it will be made up of 89 segments ...

The Caernarfon tunnel lay dormant for over thirty years with it becoming derelict and overgrown. Nick Catford posted this ...

India is making significant strides with its first undersea rail tunnel, part of the Mumbai-Ahmedabad High-Speed Rail ...

This letter to the editor suggests the Isle of Wight gets a rail tunnel under the Solent instead of relying on ferries ...