Mexican officials responding to a tip from U.S. authorities say they were unable to locate a purported second illegal tunnel ...

Secret WW2 tunnels revealing the ominous underworld of wartime London are to be opened to the public and will be part museum, ...

Mexican authorities have begun filling in an underground smuggling tunnel that stretches from Juarez to South Central El Paso ...

The Thames Tideway Tunnel, also referred to as a 'super sewer' was a £4.5 billion mega project that spans 15-miles from West to East London, largely under the route of the River Thames.

Brits who regularly commute will see their journey times drastically cut once building is complete for a huge 3.5mile underground tunnel - with connections to a major UK city. The HS2 Bromford ...

After centuries of speculation, archaeologists in Peru have confirmed the existence of an underground tunnel network, thought to have been built by the Incas. The groundbreaking discovery was ...

HSI said its agents are investigating the tunnel and vowed to arrest those who created and used the underground facility ... hiding its 3-foot-by-3-foot entry hole near the border.