The rugged geography, dense population, and arid nature of Southern California has created the need for some of the most unique and complex tunnel systems anywhere in the world, and over the last ...

A secret tunnel discovered last week on the U.S.-Mexico border will be sealed by Mexican authorities, an army official in Ciudad Juarez said Saturday. The tunnel, discovered on Jan. 10 ...

Image: Officials believe the tunnel could have taken more than a year to dig. Pic: Reuters The president-elect promised mass deportations throughout the election campaign and told Sky's US partner ...

Diego Delso, CC BY-SA 4.0, via Wikimedia Commons It’s long been rumored that a network of old, underground tunnels lies beneath Cusco, Peru, the capital of the ancient Incan empire. Now ...

What if Cincinnati's old subway tunnels became an underground food hall and art market? Or canals for kayaking? Or speakeasy spots? The city asked for ideas on what to do with the unused subway ...

Chris Graythen/Getty Images Supported by By Jacob Gallagher If the Super Bowl is the N.F.L.’s biggest stage, the Super Bowl tunnel is its biggest catwalk. And on Sunday, the Philadelphia Eagles ...

This month, authorities opened the new four-mile Z-Morh tunnel, that connects Jammu and Kashmir in the north of the country. The tunnel derives its name from the Z-shaped stretch of road it ...

Work is underway to close off a man-made tunnel linking El Paso to Juárez at the U.S.-Mexico border, authorities said. "The government of the United States initiated the covering of the man-made ...

This had to include a tunnel under the historic town. It saw a 163 yard tunnel built just to the east of Caernarfon Castle. Sabre-roads.org.uk said it appears to have been constructed as a cut and ...