Two Italian scientists claim to have discovered 38,000-year-old structures buried deep beneath the pyramids. But there's a ...

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

The body of Jesus Christ and the Ark of the Covenant may be hidden in a 'Cave of the Patriarchs', according to extraordinary ...

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