Pennsylvania State Parks: This stone castle-like structure is the Gatehouse at Pymatuning State Park, Pennsylvania.
Pennsylvania State Parks: Summer Fountain through the trees 006
Pennsylvania State Parks: A hiking trail passes through pillar-like white pine trees at Caledonia State Park, Pennsylvania.
Pennsylvania State Parks: Man-made waterfalls froth Slippery Rock Creek by the Old Mill at McConnells Mill State Park, Pennsylvania.
Pennsylvania State Parks: A hiking trail winds past a large tree in sun dappled forest at Jennings Environmental Education Center, Pennsylvania.
Pennsylvania State Parks: The purple spikes of blazing star flowers spread across the prairie at Jennings Environmental Education Center, Pennsylvania.
Pennsylvania State Parks: A yellow trout lily flower at Gifford Pinchot State Park, Pennsylvania
Pennsylvania State Parks: A trail carved into a mountain side overlooks Great Trough Creek at Trough Creek State Park, Pennsylvania.
Pennsylvania State Parks: Old growth trees crown a rise at Cook Forest State Park, Pennsylvania.
Pennsylvania State Parks: In the Forest Cathedral, huge pine trees line a hiking trail at Cook Forest State Park, Pennsylvania.
Pennsylvania State Parks: A fritillary drinks from a coneflower at Boyd Big Tree Preserve Conservation Area, Pennsylvania State Parks
Pennsylvania State Parks: Sightseers enjoy the view at Kings Gap Environmental Education Center, Pennsylvania State Parks
Pennsylvania State Parks: Surrounded by fall foliage, Cucumber Falls enters its own amphitheater at Ohiopyle, Pennsylvania State Parks
Pennsylvania State Parks: The natural waterslide surges through fall foliage at Ohiopyle, Pennsylvania State Parks
Pennsylvania State Parks: Hunting Hill Mansion in an archway at Ridley Creek, Pennsylvania State Parks
Pennsylvania State Parks: 94-foot Ganoga Falls cascades from a sunlit forest at Ricketts Glen, Pennsylvania State Parks
Pennsylvania State Parks: Ozone Falls tumbles between rocks and trees at Ricketts Glen, Pennsylvania State Parks
Pennsylvania State Parks: A hiking trail follows a creek at Calendonia, Pennsylvania State Parks.
Pennsylvania State Parks: Hikers walk on a tree-lined trail at White Clay Creek Preserve, Pennsylvania State Parks
Pennsylvania State Parks: A woman is dwarfed by Balanced Rock at Trough Creek, Pennsylvania State Parks
Pennsylvania State Parks: Sightseers enjoy the canyon at Colton Point, Pennsylvania State Parks
Pennsylvania State Parks: Grand Canyon of Pennsylvania, Colton Point State Park, Pennsylvania State Parks
Pennsylvania State Parks: Ohiopyle Falls of the Youghiogheny at Ohiopyle State Park, Pennsylvania State Parks
Pennsylvania State Parks: Cucumber Falls of Ohiopyle State Park, Pennsylvania State Parks
Pennsylvania State Parks: Interesting rocks in the Youghiogheny River in Ohiopyle State Park, Pennsylvania State Parks
Pennsylvania State Parks: Fishing at Hopewell Lake at French Creek State Park, Pennsylvania State Parks
Pennsylvania State Parks: Rustic Cabins at Black Moshannon State Park, Pennsylvania State Parks