All  

portable rock art

Native American Tiny 'Elephant Stones', Mammoth Effigies, Carvings, Totems From Pennsylvania. Portable rock art such as this has been found globally.

Life Before the Clovis: Portable Rock Art as Evidence of Pre Ice Age Humans in North America

The worship of carved stone dates back to man’s earliest evolution. Portable rock art is human made markings on movable natural rock or stone. A global phenomenon, these Stone Age objects have been...