Caves & Caving

USA

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Mammoth Cave National Park

It preserves the world's longest known cave system, with over 360 miles of caves.

Luray Caverns

A magic world is revealed when visiting the largest caves in Eastern America.

Carlsbad Caverns National Park

More than 100 caves, 250 million years old.

Crystal Ice Cave

This ice cave in California has some interesting and strange ice formations.

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