PHOTOS: Hidden Park Gems—Free Next Week and Year-Round

Friday, April 16, 2010 - 16:07 in Paleontology & Archaeology

April 17-25 is National Park Week, with free entrance to 392 sites administered by the National Park Service. But, if you do your research, you can find free national parks year-round: 246 park propertiesincluding national monuments, historic sites, and battlefieldsnever charge admission.

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