One of Grandfather Mountain’s lesser known overlooks, Scheer Bluff offers a stunning view of the surrounding Blue Ridge Mountains — even more so in the fall. But the short hike to the bluff is also quite colorful, as these oak leaves demonstrate. (Photo by Skip Sickler)

Oak leaves are filled with tannins, which normally means brown coloration. Yellow is actually fairly rare for oaks, but these trees are some of the most varied in the North Carolina High Country.