After a long trek through rugged forest terrain, we finally arrive at the entrance to a deep pit cave. The scene is already active - friends of ours are inside, maneuvering their way back up from ...

The primeval forest inside the cave has trees reaching over 90 feet tall Credit: BBC. The cave is located in Phong Nha Ke-Bang National park which has cave systems stretching over 120 miles, and ...

This cave has a forest, river, rocks, trenches and much more. It was declared the world's largest cave in 2009. ... The wind and sound resonating inside this cave can be heard till the outer gate.

The Old Caves Crater Trail is one of the best hikes in Arizona for exploring caves built by the region's earliest inhabitants ...

GUIYANG, July 6 (Xinhua) -- Helmet strapped and headlamp shining, 14-year-old Wang Zichen zipped into the shadowy depths of a ...

The Withlacoochee State Forest has over 30 caves, though not all are accessible to the public. But Dames Cave gives hikers passing through a chance to explore underground.

INSIDE THE COPPER CAVE IN PLAISTOW, ... "The salt that is circulating is negative ions, which is similar to the ocean, to the forest," said Deb SanSoucie, owner of The Copper Cave.

This cave has a forest, river, rocks, ... In fact, it is so wide that a Boeing 747 can pass straight through it. A fast flowing river flows inside this cave, due to which the cave was formed.