All  

symbolic

Engraving found in Crimean cave on flint flake from Kiik-Koba layer IV.

Engraved Crimean Stone Artifact May Demonstrate Neanderthal Symbolism

A flint flake from the Middle Paleolithic of Crimea was likely engraved symbolically by a skilled Neanderthal hand, according to a study published May 2, 2018 in the open-access journal PLOS ONE by...
The Fool’s Cap Map of the World.

Cartographic Comedy in the 16th century: The Fool’s Cap Map of the World

The Fool’s Cap Map of the World is an engraving of a map of the world, and is thought to have been made towards the end of the 16th century. This map is peculiar as it is framed within the hood /...
“Full moon rising over Mount Shasta, as seen from northern valley.”

Mount Shasta: Inner Earth Realms and History of the Lava Beds

There are legends all over the world, found in every culture, which populate caves with spirits and supernatural guardians who dwell in a subterranean realm hidden just beneath surface of our own...
This etched shell from Java was found at the site where Homo erectus was discovered

500,000-year-old shell engraved by Homo erectus challenges previous beliefs about human ancestors

New research conducted on a mollusk shell found over a century ago on the Indonesian island of Java, has revealed that it contains the oldest engraving ever found and that it was almost certainly...