Hidden beneath the surface, we discovered a powerful underground river flowing through a vast cave system. The roar of the ...

Join us as we explore a breathtaking cave with not one, but two waterfalls cascading through its chambers. The combination of flowing water and rugged cave formations makes for a stunning ...

In a hard-to-reach cave of northeastern India, a “slender” river creature with “fleshy” lips tucked itself under a rock. A ...

These three destinations are top-notch for underwater natural wonders, according to our readers. Find out where to go for the ...

At the cave, water cascades endlessly from atop the rock, forming a stream at its base. Apart from being a tourist attraction, the water flowing in the cave is said to have some kind of “healing ...

The Shoshone Ice Cave is actually a prehistoric lava tunnel carved not by water, but by fire and is ... "This is all natural lava flow here that we're walking on," Wallace said.