"The Mysterious Kummakivi Balancing Rock"
TL;DR
The Kummakivi Balancing Rock in Ruokolahti, Finland, appears precariously balanced on a smaller rock, but geologists attribute its formation to the movement of glaciers over 8,000 years ago. Despite its stability, the rock's unnerving appearance makes it seem as though it could topple at any moment.
The Kummakivi Balancing Rock is one strange rock Boing Boing
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