We dive into a bizarre and abandoned metal tunnel system unlike anything we've explored before. Twisting passages, rusted chambers, and unexpected turns kept us guessing the entire way.

In the 1930s, workers bored a 13-mile tunnel beneath Mt. San Jacinto. Here's a look inside the engineering feat that carries ...

A renovation of a townhome in Tielt, Belgium, led to the discovery of a secret tunnel system under the historic structures.

There have been two metal plates that stretch across both lanes of the H-3 Windward-­bound after exiting the Harano Tunnel. The two plates have been there for over six months, maybe longer ! When does ...

A brute bashed a Bronx MTA conductor in the face with a metal scooter in an early Tuesday ... then ran off on the subway tracks, through a tunnel toward the next stop, Baychester Avenue, sources ...

A view from the bottom of the vertical shaft looking across the well to the tunnel. Photo from Flanders Heritage Agency A photo shows the silvery white material archaeologists added on top of the ...