Every day, long-haul truckers and commuters pass through the George Wallace Tunnel, briefly slipping away from daylight and 40 feet underwater, until reemerging into downtown Mobile, Alabama. Since ...

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 miles) and descending to 392 meters (nearly 1,300 ...

Traveling Norway's E39 highway is often an unforgettable, but arduous adventure. The route, which spans nearly 1,100 kilometers (683 miles), is an engineering marvel, and has been constructed in a ...

Workers in China have set a new record by completing the task of building the world's largest-diameter underwater shield tunnel. The two mile section of the underwater shield segments is completed, as ...

The Fehmarn Belt Tunnel, a €7 billion infrastructure project, is set to become the world’s longest prefabricated road and rail tunnel. Stretching 18 kilometers beneath the Baltic Sea, it will connect ...

A study is underway to decide whether Alaska should build an underwater tunnel or not—with the research expected to cost at least $1 million, according to reports. Officials hope to establish whether ...

Spain has begun investigating the possibility of connecting Europe to Africa via an underwater tunnel to Morocco. On Saturday, the Spanish government allocated €1.6 million (roughly $1.7 million) to a ...

Jinan, a city of 9.4 million people and the capital of Shandong Province in East China, has made world headlines. Crews working there have completed the monumental task of building the world's largest ...

13:00, Sun, Jan 25, 2026 Updated: 13:03, Sun, Jan 25, 2026 A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will ...

Stretching beneath the icy waters of northern Japan, this tunnel stands as one of the most ambitious engineering projects ever completed. At 33.4 miles long, the Seikan Tunnel is the world’s longest ...

Every day, long-haul truckers and commuters pass through the George Wallace Tunnel, briefly slipping away from daylight and 40 feet underwater, until reemerging into downtown Mobile, Alabama. Since ...