The World's Biggest Cave

See that little bitty guy in the center, with the light shining from his helmet?

Yeah, it’s hard to see one man in a cave chamber that big -but there is a bigger version of the picture to help you out.

National Geographic is covering an expedition to Vietnam last year that unearthed what may be the world’s largest cave -Son Doong, hidden in the thick jungle but big enough to stuff cities inside!

There’s a television special (it aired Monday night), and a full article about Son Doong in the January issue of National Geographic Magazine.

Neatorama has a collection of gorgeous photographs of the cave and its surroundings on their Spotlight Blog, courtesy of National Geographic.

Check them out.