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Carlsbad Caverns NP, New Mexico
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This massive rock, weighing an estimated 200,000 tons, is a striking feature within the Big Room of the caverns.
The rock's name comes from its resemblance to an iceberg, with most of its mass hidden beneath the surface.
The caverns are home to a variety of formations, including stalactites, stalagmites, and flowstones, each formed over millions of years.
The formations, including Iceberg Rock, are believed to be over 4 million years old, shaped by the slow dissolution of limestone by acidic water.
In 1995, the caverns were recognized for their outstanding geological formations and rich biodiversity.
The caverns support a variety of life forms, including bats, cave crickets, and unique microbial communities.
Visitors can take ranger-led tours to learn more about the geology and history of the caverns, including Iceberg Rock.
