Browse Curiosmos

Ancient Civilizations

Discover the world’s most mysterious ancient civilizations, from lost cities and megalithic structures to forgotten knowledge and unsolved archaeological puzzles.

Ancient cave symbols might form a global language. We see Hashtags appearing on multiple continents, and we also have penniforms (feather shapes), claviforms (key shapes), as well as hand stencils among the numerous recurring symbols. Image Credit: Geneviève von Petzinger.

Ancient cave symbols might form a global language

The idea that cave symbols form a global language isn’t just speculative anymore. Ancient cave symbols found across Ice Age Europe may be more than primitive art—they could represent the…