At a site known as Natural Trap Cave, a team of scientists are rappelling down to uncover the secrets of what the Earth was ...

Beneath the Caucasus mountains Russian cavers made a terrifying discovery: blind creatures, freezing waters, and something far worse—suspended in the dark.

Now, the caves deemed by scientists to hold the key to understanding where humans came from, are open again to anyone visiting South Africa.The Sterkfontein Caves yielded numerous fossil discoveries ...

Mining continues at the Continental Pit. Nearby is the Berkeley Pit, a site for acid mine drainage that poses an opportunity ...

This cave absolutely blew us away. In this video, we explore what might be the largest river cave we've ever encountered – a ...

We rank the 23 Best Underrated Travel Destinations in the World. See which places our readers like the best, and vote for ...