Three researchers say they discovered massive structures under the pyramids at Giza. But what evidence do they provide?

Watch as we construct a secret underwater house with a hidden underground passage using only primitive tools and natural ...

A homeowner was floored after detailing how he discovered an Indiana Jones-esque labyrinth of hidden chambers and tunnels underneath his home. “Found a network of tunnels and rooms under my house,” ...

A man has shared his 'tunnel discovery' on social media after he found a series of hidden rooms and passageways under his house - but people have warned him to move out ...

Victoria Vale said the mysterious door "seemed like it hadn't been opened in a very long time," and she was determined to figure out what was behind it.

Archeologists discovered, thanks to modern technology, that ancient sketches by Leonardo depict real tunnels under the Sforza ...

Israeli forces reportedly discovered and dismantled a Hamas tunnel beneath a former kindergarten in Rafah, southern Gaza., World News News - Times Now ...

If the sunshine already has you dreaming of summer days at the State Fair, good news—those dreams are springing to life at the Washington State Spring Fair! Now celebrating its 35th anniversary, the ...

Tel Aviv: Over the past week, Golani Brigade forces have destroyed a Hamas underground terror tunnel system in Rafah located ...

It is the largest excavated underground city in the world and stretches more than 85 metres below the surface.

Looking to take an underground adventure in the state of Missouri? There are many wonderful caves you can visit, depending on ...