After the completion of Step 2025, the line together with Thalwil station will be full. Another tunnel is proposed: the Zimmerberg Base Tunnel II between Thalwil and Zug, and Swiss Federal Railways ...

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 ...

Diego Delso, CC BY-SA 4.0, via Wikimedia Commons It’s long been rumored that a network of old, underground tunnels lies beneath Cusco, Peru, the capital of the ancient Incan empire. Now ...

Using ground-penetrating radar and laser scanning, researchers from the Polytechnic University of Milan have uncovered hidden tunnels beneath the 15th-century castle that have been the subject of ...

The Sforza Castle in Milan is steeped in legends, particularly surrounding secret tunnels. These tunnels were likely used by the powerful Duke Ludovico il Moro for various purposes, such as ...

The base, built at a depth of 500 meters (546 yards), is comprised of tunnels with long rows, which are said to be a new version of Taregh-class radar-evading speedboats that can launch cruise ...

Channel tunnel is the longest undersea tunnel in the world connecting the United Kingdom and France with a distance of 50.5km. Brenner Base Tunnel is a 55 km long tunnel which is under construction In ...

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 ...

A secret tunnel discovered last week on the U.S.-Mexico border will be sealed by Mexican authorities, an army official in Ciudad Juarez said Saturday. The tunnel, discovered on Jan. 10 ...

Footage broadcast on state TV shows a large number of speedboats lined up in what appears to be an underground tunnel. It is reportedly part of a "secret" base built at a depth of 500m at an ...