Thirty metres (100 feet) below the UK capital's bustling streets, all that can be heard in the tunnels built to withstand a nuclear attack is the rumble of the London Underground's Circle Line.

LONDON – Tunnels built to shelter Londoners during World War II bombing by Germany are set to be transformed into the British capital's biggest new tourist attraction for years, according to the ...

Phase 2 of the project comprises the construction of a 9.7km railway line with four new stations and includes an 8km single-bore tunnel through downtown San Jose. The project involves the construction ...

He likened its expected impact on tourism to the London Eye observation wheel, which opened 25 years ago and attracts more than 3 million visitors annually. The tunnels will be ready for the ...

Editor’s Note: This story has been updated to correct which side of the tunnel a closure was being ... upcoming extended closure of the westbound bore so CDOT crews can remove the panels.

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 ...

Any vehicle traversing the rocky terrain on Mars needs a sturdy set of wheels. NASA’s Perseverance rover, for example, sports thick aluminum ones covered in cleats to enhance its traction and ...

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 ...

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 ...

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 ...