Five countries don’t have airports.

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Only one building outside Washington, D.C., is featured on U.S. banknotes.

Fact
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Mount Everest is still growing.

Fact
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Only one state flag has a design on both the front and back.

Fact
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Woman outdoors with yellow scarf on a windy and sunny day

Wind itself is silent.

Fact
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The old London Bridge is in Arizona.

Fact
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