Last year 2.5 million people visited Lake Powell and the adjoining Glen Canyon National Recreation Area.

FORBES: Fact and Comment

The beaches are part of the National Park Service Gateway National Recreation Area in New York and New Jersey.

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"In the Delaware Gap I think we have some of the best fall foliage, " says Kathleen Sandt, a park ranger in the national recreation area.

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Northern and Southern trees meet peacefully at the Delaware Water Gap National Recreation Area, a National Park Service area that includes the states of New Jersey and Pennsylvania.

CNN: When autumn leaves fall

Officials at the Glen Canyon National Recreation Area in Arizona started a Graffiti Removal and Intervention Team, and this year are recruiting volunteers to scrub off graffiti with water and wire brushes, according to the Glen Canyon website.

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