Gunibsky tunnel or Tsarsky, as it is called by the locals. Year built: 1866-1867 Length 103m, height 6m, width 4m. Th...

This remarkable and remote tunnel in California's Mojave Desert was the work of a single and very determined man. Gol...

Built in 1902 to allow south London's dockworkers easier access to the docks, the cast iron Greenwich Foot Tunnel tun...

The kitsch tunnel runs under the Huangpu River in Shanghai’s waterfront Bund district and is one of the city’s top to...

Built into three mountain ranges in the early 1900s by the Canadian Pacific Railway, the Othello Tunnels were dug to ...