Gov. Gavin Newsom's $20 billion plan to build a massive, 45-mile long tunnel under the Sacramento-San Joaquin Delta to make ...

Under the city of Cuzco, Peru, a secret labyrinth built by the Incas has been discovered. Irene Wright McClatchy News High in ...

The Seikan Tunnel in the Tsugaru Strait of Japan was the previous world record holder, gaining the title when the 33.5-mile-long construction project was completed in 1988. The Channel Tunnel that ...

The earliest tunnels in Southern California were built for shelter, or mining purposes, but as civilization encroached, the ...

A smuggling tunnel still under construction was discovered by authorities ... In January 2020, the US discovered the longest known drug tunnel at the time that stretched three-quarters of a ...

China has completed the construction of the world's longest express tunnel through the Tianshan Mountains, according to a local news source. The Tianshan Shengli Tunnel is just over 22 kilometers ...

Whizz through the world's longest and deepest railway tunnel that's only a couple of hours from the UK. With a staggering route length of 57.09km and an underground depth of 2,400 metres ...

CHINA is busy digging beneath the mountains to build the world's longest motorway tunnel in an ambitious ... to less than two hours. Construction on the project began in 2016 and is due to ...

Deep down 90 metres under ... The Tunnel and Reservoir Plan – also known as the Deep Tunnel system — is one of the largest civil engineering projects in the world, where construction has ...

The $20 trillion "Transatlantic Tunnel ... long, take around 54 minutes, much faster than an overseas flight. However, not everyone is convinced that 3,000 kilometers of underwater construction ...

China completed on Monday the construction of the world's longest expressway tunnel through snow-covered mountains in the Xinjiang Uygur autonomous region, marking a significant milestone in its ...