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Take a look at some of the most amazing natural rock formations on Earth!

Geology The Grand Canyon in the western United States is one of the seven natural wonders of the world.

Geology A mesa is a flat area of rock with steep sides. It is caused by erosion.

Geology Hoodoo rocks look like pointed columns rising in the air.

Geology Hickman Bridge, a natural bridge made of rock, is located in Utah.

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Science Encyclopedia for KidsGeology