Near Lenhartsville, PA is the site of the Blue Rocks. This glacial deposit makes for some great scenery, and a very rugged hiking environment. Not for recommended for beginners, or the older folk, such as myself. Best to just take a camera and enjoy from the footpaths.

Watch the video for some great views of the Blue Rocks, and interesting point-of-view camera-work as Jared films the path of his feet while crossing the rocks.
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Lansky Retractable Diamond Rod Sharpener review added in the Gesr section.