Deep in the mountains of Switzerland lies a marvel of engineering, the Gotthard Base Tunnel. This is the longest railway and ...

Israel is directing the IDF in Gaza’s “yellow zone” to make tunnel demolition its central mission under the US-brokered Gaza ...

The Ryfylke Tunnel is the longest undersea road tunnel in the world at present and stretches some 8.98 miles between ...

Israel will make dismantling Hamas’ vast tunnel network its top battlefield priority inside Gaza’s “yellow zone,” Defense ...

Thousands of years and conspiracies have all led to this: the Great Pyramid of Giza may have been built using the basic ...

Excavation has begun on Nashville’s Music City Loop, but unanswered questions fuel growing concern among local officials.

Vast fields of new silos for intercontinental ballistic missiles have also been built in the western end of China over the ...