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, connects the ...

Community members gathered Thursday evening to honor the lives lost in the Church Hill Tunnel collapse, a century after the tragedy.

The secret is out, and the royals and the Buckingham Palace courtiers are reportedly concerned. Legend has it that there are ...

It's been 100 years since the collapse of the Church Hill train tunnel in Richmond, and several events are planned to ...

A 2,000-year-old tunnel once used by Roman emperors to slip into the Colosseum unseen will open to the public this month, ...

During the construction and assembling stages of shield tunnels, the ellipticity of segment assembly, and the angle between segments are the main reasons for joint leakage of shield tunnel. In this ...