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The World's Most Incredible Caves
What lies beneath our feet? This week, we're exploring the mysterious world of caves, from breathtaking underground cave systems and dangerous underwater caves to the deepest and longest caves ever discovered. Every year, explorers uncover new passages and hidden chambers, proving there's still so much of our planet waiting to be explored.
Of course, we couldn't resist wandering into the darker side of things. Along the way, we talk about haunted caves, strange legends, and the eerie stories that have surrounded these underground worlds for centuries.
Whether you're fascinated by geology…
The skinny
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