Which acid is primarily responsible for dissolving limestone to form caves like Carlsbad Caverns?
Chapter 1

The architecture of natural caves

Chapter 2

Rivers and life in total darkness

Chapter 3

Hidden cities carved in stone

Chapter 4

The modern world under the streets

YOUR GOAL

Master of Worlds beneath our feet

Ch 1 · The architecture of natural caves
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misslily Hang Son Doong the largest cave on Earth

Jul 12

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misslily The architecture of natural caves

Got a whole jungle breathing under the stone, (Under the stone, yeah!) / Making its own clouds in a subterranean zone, (That misty zone!)

Jul 10

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misslily The sparkling crystals of Naica Mine

Jul 12

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Hang Son Doong the largest cave on Earth

misslily Located in Vietnam, this colossal cave is so massive that it has its own localized weather system, clouds, and rainforest.

Jul 10

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The slow growth of stalactites and stalagmites

misslily Mineral-rich water droplets leave behind tiny rings of calcite, building hanging cones and rising spires over centuries.

Jul 10

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Glowy Cave Wonders
BETA

misslily Drag glowing organisms to discover how life survives in the deepest caves.

Jul 7

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Fun Fact

Waitomo glowworms: Their glowing light is actually a chemical reaction in their waste organs designed to lure hungry insects into sticky, hanging silk threads.

Jul 10

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Glossary
stalactite (noun)
An icicle-shaped mineral deposit hanging from the ceiling of a cave, formed by the dripping of mineral-rich water. In Carlsbad Caverns, these hanging structures adorn the Big Room, located 750 feet below the surface.

Jul 10

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Gossip

Would you sleep in a deep cave for a week?

Jul 10

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Quiz

In which country is Hang Son Doong, the world's largest cave by volume, located?

Jul 10

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misslily How water sculpts giant limestone caverns

Jul 12

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Quiz

Which acid is primarily responsible for dissolving limestone to form caves like Carlsbad Caverns?

Jul 10

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misslily The slow growth of stalactites and stalagmites

Jul 12

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Quiz

Why do scientists require specialized ice-cooled suits to explore the Cave of Crystals in Naica, Mexico?

Jul 10

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Quiz

In what year was the massive Hang Son Doong cave in Vietnam first fully explored by scientists?

Jul 10

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Quiz

What is the main mineral that makes up the giant 12-meter crystals in Mexico's Naica Mine?

Jul 10

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Quiz

What type of creature creates the glowing blue-green light in New Zealand's Waitomo Caves?

Jul 10

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Quiz

Which term describes a cave formation that grows upward from the floor rather than downward from the ceiling?

Jul 10

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Quiz

How fast do stalactites and stalagmites typically grow on average each year?

Jul 10