The Collection
spheres
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Valley of the Planets: Libya’s Sahara Stone Spheres
Discovered in the 1930s, Libya’s Valley of the Planets is a stretch of Saharan crater landscape mistaken for an impact site. Explore…
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The Stones Spheres of Costa Rica
The Stone Spheres of Costa Rica are a collection of over 300 petrospheres, known locally as Las Bolas. They are notable for…