There is a cave in the world which has its own ecosystem. This cave has a forest, river, rocks, trenches and much more. It was declared the world's largest cave in 2009.

Learn about what threatens the wet, layered forest and what you can do to help. 2 min read More than half of Earth’s rain forests have already been lost due to the human demand for wood and ...

Not only do the sinkholes look like they were punched out of the landscape with a cookie cutter, they also harbor primitive forests and pristine ... for example, the rainy season feeds an ...