CAVE CRAWLOn hands and knees ... Society Grant Your National Geographic Society membership helped fund this photo project. Find out how you can help support the Society's mission here.

This story appears in the January 2011 issue of National Geographic magazine ... sitting alone in the blackness along the wall of the cave. “Carry on mate,” growls Sims.

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.

Narrator: The cave William and Emily are visiting was ... This clip will be relevant for teaching Geography. This topic appears in KS1/KS2 in England and Northern Ireland, Knowledge and ...

Ron Allum is a pioneering cave diver and inventor who originally started out as ... of Talking Australia is hosted by Chrissie Goldrick (Editor-in-chief at Australian Geographic) and produced by Ben ...

rising water and tunnels almost impossible to squeeze out of my mind when reading about an expedition to Veryovkina Cave in ...

After the cave has been opened by the action of water, creation of some of the other features of the Marble Arch caves begin. Water, containing dissolved limestone (calcite), drips or runs from ...