Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jan 19, 2009
John Ackerman leads viewers into Goliath's Cave's Rubicon Passage. This passage is particularly dramatic. Although this particular piece of it does not go down the passage very far, at the furthest end of the Rubicon the ceilings rise to 200 feet and lengthy waterfall cascades off the edge.