The rugged geography, dense population, and arid nature of Southern California has created the need for some of the most unique and complex tunnel systems anywhere in the world, and over the last ...

A network of secret tunnels buried deep under London is set to be transformed into a £120 million tourist attraction. The Kingsway Exchange Tunnels are located 40 metres below ground and were ...

A massive pileup in an Interstate 80 tunnel in Wyoming killed at least two people and shuttered part of the major east-west highway, authorities said Friday. The Wyoming Department of ...

CLEAR CREEK COUNTY, Colo. (KDVR) — The iconic Eisenhower-Johnson Memorial Tunnels on the Interstate 70 corridor might soon be getting a facelift after the Colorado Department of Transportation ...

A series of mysterious tunnels first sketched by da Vinci around 1495 have now been discovered beneath the Sforza Castle in Milan. No one knows exactly why these secret passages were built beneath ...

If you're looking for a place to snorkel in Kaua'i, head to Tunnels Beach (aka Makua Beach). Tunnels Beach is located on Ha'ena Point on Kaua'i's North Shore near Wainiha, about 2 miles east of ...

Wyoming officials on Sunday said a third death has been confirmed from a fiery multi-vehicle pileup inside an interstate tunnel. Details about the death were unavailable, with the Wyoming ...

A new map has revealed how the M25 could be rerouted due to the expansion of Heathrow Airport. The ambitious plan could see a tunnel being constructed for the motorway to pass beneath the proposed ...

The M25 could be diverted through a tunnel under Heathrow's third runway as part of the airport's expansion plans. Here's how ...

A new map shows how the M25 could be rerouted by the Heathrow Airport expansion. The ambitious scheme could see a tunnel being built for the motorway to pass underground beneath the third runway. The ...

A brand new tunnel set to connect Denmark to Germany is underway. The 11-mile long passage is costing a huge $7.9 billion but ...