Concealed for decades, a huge network of chambers beneath Rome’s Capitoline Hill is to be opened up to the public, revealing ...

Deep inside Pettyjohns Cave lies the so-called Mystery Room – a hidden chamber surrounded by winding tunnels and narrow ...

LOS ANGELES (AP) — Thirty-one construction workers inside a huge industrial tunnel in Los Angeles made it to safety after a ...

Exploring desert caves is an adventure like none other; one that gives you an opportunity to witness the raw beauty of faraway sandscapes ...

Mexico isn’t widely known for train adventures, but Jamie Fullerton found one of the world’s most intriguing rail routes in ...

These tunnels, known as the Labyrinth, now lie in semi-abandonment, discarded by their original owners and frequented only by the subterranean prospectors of our time: urban explorers. Just like their ...

We’ve learned there are only two things common to all caves. They are dark and have nearly the same temperature year-round.

For more than half a century, astronomers have been theorizing about the existence of a network of caves and tunnels beneath the moon’s surface. In 2009, ...

CAPE CANAVERAL, Fla. (AP) — Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago, and suspect there are hundreds more that could ...

Though the Lockport “cave” is really a manmade tunnel, its popularity depends on a similar experience. It’s an experience that needs to be safe, wherever it happens.

Researchers suspect there could be hundreds more caves and tunnels that could house future astronauts. Scientists have confirmed a cave on the moon that could be used to shelter future explorers.