Fingal's Cave in Staffa, Scotland featuring hexagonally-jointed basalt columns.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...s_fullsize.jpg
Previously:
Black Crack fissure - photo and video
Al Naslaa split rock formation - photo
Kummakivi balancing rock - photos
Hedgehog natural rock formation - photo
Natural conical hill - photo
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