For 25 Years, One Man in New Mexico Has Been Turning Cave Formations into Natural Cathedrals

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Mind Nature's Gap

Via crappyboy

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Mother Nature FTW: Blue Cave

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Glow-Worm Cave WIN

Via Daily Mail

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The Largest Underground Trampoline is Beneath Wales

Via Bounce Below

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Crystal Cave WIN

Created by geha714

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Mother Nature FTW: Three-Tiered

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Cave Bath WIN

Via Inthralld

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The Son Doong Gave is Large Enough to Fit Skyscrapers in, and Now You Can Tour it

Via Huffington Post

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Cool Cave WIN

Via Check Out More Here!

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Mother Nature FTW: Blue Ice Cave, Iceland

Via Jaymug

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Cave WIN

Via Reddit

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Cave Bar WIN

Via Flavorwire

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Fly Through Son Doong, the Largest Caves in the World

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WINcation at the Marble Caves of Chile

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Lake Superior Gets a Frozen Makeover in the Winter Freeze

Via Colossal

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