Which geologic natural wonder would you rather explore?
Chapter 1

The birth of state parks

Chapter 2

Giants and record-breakers

Chapter 3

Subterranean and geologic wonders

Chapter 4

Cultural and historic treasures

YOUR GOAL

Master of Secrets of state parks

Ch 3 · Subterranean and geologic wonders
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Pocket Cave Explorer
BETA

schopenhauer Explore subterranean wonders and state park caves in this educational game. Discover geologic trivia and notable underground formations.

Aug 30

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schopenhauer Kartchner Caverns State Park

Step through the heavy airlocks into the deep wet dark, where Kubla Khan rises tall!

Aug 30

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schopenhauer Silver Falls houses a waterfall trail

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Monahans features giant shifting dunes

schopenhauer A Texas state park preserves a vast, active dune field where wind constantly reshapes the landscape.

Aug 30

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Goblin Valley's bizarre sandstone army

schopenhauer Thousands of mushroom-shaped rock spires create an otherworldly landscape in the heart of Utah's desert.

Aug 30

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Fun Fact

Secret cave discovery: The discoverers of Kartchner Caverns kept their find a secret even from the landowners to prevent any damage.

Aug 30

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Glossary
stalactite (noun)
A tapering structure hanging from the roof of a cave, formed of calcium carbonate deposited by dripping water. Arizona's Kartchner Caverns State Park preserves a 21-foot soda straw stalactite, one of the world's longest.

Aug 30

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Gossip

Which natural wonder would you rather explore?

Aug 30

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Quiz

What is the geological name for the thousands of mushroom-shaped sandstone formations found in Utah's Goblin Valley State Park?

Aug 30

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Quiz

What type of rock, easily dissolved by acidic water, is responsible for the dramatic cave networks in Kentucky's Carter Caves State Resort Park?

Aug 30

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Quiz

Which state park in Washington features a massive, dry waterfall cliff that is three miles wide and was carved by catastrophic Ice Age floods?

Aug 30

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Quiz

Which state park in Nevada is named for its brilliant red Aztec sandstone formations that appear to be on fire when reflecting the sun?

Aug 30

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Quiz

Why did the discoverers of Arizona's Kartchner Caverns keep their massive cave discovery a complete secret for 14 years?

Aug 30

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Quiz

Which state park in Texas lets visitors rent plastic toboggans to sled down massive, active sand dunes that reach heights of 70 feet?

Aug 30

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Quiz

What rare geologic feature, a massive, water-filled sinkhole over 300 feet deep, is the centerpiece of Florida's Edward Ball Wakulla Springs State Park?

Aug 30

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Quiz

Oregon's Silver Falls State Park is famous for its 'Trail of Ten Falls,' which allows hikers to do what unique activity?

Aug 30