Another day, another batch of strange mysteries, starting with these stones. Numerous myths surround the stones of Costa Rica, such as they came from Atlantis, or that they were made as such by nature. Some local legends state that the native inhabitants had access to a potion able to soften the rock. Research led by Joseph Davidovits of the Geopolymer Institute in France has been offered in support of this hypothesis. It has been claimed that the spheres are perfect, or very near perfect in roundness, although some spheres are known to vary by 5 centimeters (2.0 in) in diameter until 257 centimetres (104 in). Click here to view the first image in today’s viral picture gallery. Continue reading for a viral video showing why you should never check on roadkill in Russia.