The Oil Creek Valley is the site of the world’s first commercial oil well. Oil Creek State Park tells the story of the early petroleum indust...
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The 8,500-acre Cook Forest State Park lies in scenic northwestern Pennsylvania. Once called the "Black Forest," the area is famous for its stands o...
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Hiking at Maurice K. Goddard State Park16 miles of trailsThe trails pass near the lake, through forests and fields.John C. Oliver Multi-Purpose Tra...
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