Yucatan Sinkhole (Webisode 55) Back to Webisodes »

Summary

A sinkhole is a deep pond created when the roof of a cave collapses and then the opening fills with water.  In the Yucatan, Jonathan explores Muyal-Ha sinkhole, which is over 100 feet deep and has a false bottom created by clouds of sulfur.  It’s an incredibly eerie place!

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