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One park holds more than 2,000 stone arches

Arches National Park has over 2,000 documented arches, the densest concentration of natural stone arches in the world.

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They range from sliver-thin cracks to spans greater than 300 feet. The arches form in sandstone, which is made of grains of sand cemented together by minerals.

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Earth has one global ocean

There is only one global ocean, a single body of water that covers 71 percent of the Earth.

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The international date line was set in 1884

The international date line, established in 1884, passes through the mid-Pacific and roughly follows 180 degrees longitude.

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Crater Lake is the deepest lake in the United States

Crater Lake is 1,943 feet deep, the deepest lake in the United States.

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All fun facts

One park holds more than 2,000 stone arches

Why it is true

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More from geography facts

Earth has one global ocean

The international date line was set in 1884

Crater Lake is the deepest lake in the United States

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