Hidden entrances, ancient tunnels, and complex histories lurk beneath earth's surface, teeming with tales of a life that few ...

The capsule’s exterior read: “Here Under Lies the Rapid City Time Capsule, Open 2026 AD.” It was created and buried in 1976 ...

This may look like a regular airport, but people believe that beneath it there is an underground city. And not just any ...

Across Israel, city streets stood deserted on Saturday as residents took cover in shelters, while the blasts from Iranian ...

A hidden passageway at Manhattan’s Merchant’s House Museum may be New York City’s earliest Underground Railroad site.

Over a year after an underground fire shut down part of Charles Street downtown, nearby businesses say the disruption continues to hurt foot traffic and deliveries, even as the city moves forward with ...

Iran has built an extensive underground missile network combining advancing technology with mobile tunnel-based launch systems, strengthening its regional deterrence and complicating enemy targeting ...

Over the last few years, an ambitious moonshot project spun out of Google has been developing fascinating technologies to ...

The Boring Company announced Wednesday that the tunneling process is officially underway to construct the Music City Loop — ...

Beneath southern Poland, the Wieliczka Salt Mine has transformed from a medieval industrial powerhouse into a surreal ...

An accidental discovery is shedding new light on a vital piece of American history.

The Gujarat Government announced a new provision of ₹500 crore to convert overhead power networks into underground cable networks in Municipal Corporations and Municipalities under the "Gujarat Wire ...