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The 5 Longest Caves in the World
The longest cave system winds for more than 400 miles, but others on the list haven’t even been fully explored yet.
Read more about The 5 Longest Caves in the WorldDave Roos
Dave Roos is a journalist and podcaster based in the U.S. and Mexico. He's the co-host of , a history podcast, and a writer for the popular podcast . Learn more at .
