Andy Burnham pricked up ears this week when he unveiled ambitious plans for an underground railway in Manchester.

Most people exploring a city focus on what’s above ground. But in several cities across the U.S., there's an entirely ...

Explore Alabama's Cathedral Caverns, a vast underground wonder with towering formations, rich history, and awe-inspiring ...

Momentum has been building in Illinois to research the state’s extensive Underground Railroad sites and decide how to ...

"There's really unlimited growth, so the next 10 to 20 years is going to be amazing," said Joshua Wallack with the ...

Progress has been complicated by the presence of steam, which contributes to challenging conditions underground.

A man was rushed the hospital after officials say he was stabbed during an argument outside of Underground Atlanta early ...

Council contractors working on a pedestrian scheme have accidentally damaged a pub's underground toilets during their work.

A mine employee is missing after an “underground incident” was reported early Friday morning in Jefferson County.