Regional planners have again narrowed their recommended alternatives for a possible train tunnel through Del Mar. San Diego Association of Governments officials said Tuesday they support four likely ...

Today, L.A. Metro’s subway tunnels connect some of the city’s most densely populated neighborhoods. There are many other ...

A brand new tunnel set to connect Denmark to Germany is underway. The 11-mile long passage is costing a huge $7.9 billion but ...

China is building a stunning 602-metre tunnel linking the Asian powerhouse to Europe. The Suifenhe tunnel, just above North Korea, will replace three 120-year-old railway tunnels on the Russia ...

has sunk by more than 3 centimeters near the construction site of the Komamba tunnel for the Linear Chuo Shinkansen maglev train line. The company attributed the problem to the excavation work ...

After centuries of speculation, archaeologists in Peru have confirmed the existence of an underground tunnel network ... Cusco is a UNESCO World Heritage Site and was the historic capital of ...

A 1594 text by an anonymous Spanish Jesuit describes a tunnel that begins at the Temple of the Sun, runs beneath the bishop housing behind Cusco Cathedral and ends at Sacsayhuamán, reports IFL ...

A National Guard agent inspects an illegal tunnel bound to El Paso in US, at the Mexico-US border in Ciudad Juarez (Picture: AFP) A secret 1,000ft-long ‘narco’ underpass between Mexico and the ...

A secret 1,000ft-long tunnel between the US and Mexico will be sealed after it was discovered earlier this month. US Customs and Border Protection (CBP) said its agents found a completed man-made ...