(WSLS 10) - If you're looking for something to do this weekend - head to a national park!
Saturday is National Public Lands Day which is the nation's largest single-day volunteer effort for public lands.
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To celebrate, the National Park Service is offering free entry on Saturday at all 408 National Parks across the nation.
About 127 of the parks usually charge an entrance fee. There will also be opportunities to volunteer.
You can find a park online here!