The remarkable rock art sites—dated to between 5000 B.C. and 1500 B.C.—consist of vertical cliffs rising directly from lakes.

Study Reveals Set of Prehistoric Rock Art Sites Provided Ancient Humans With an Enchanting Acoustic “Multisensory Experience” ...

The rock art in the Region of Valencia is a well conserved collection of pieces that speak of the ancient people who once used to live in the area. Gaze at this work and be transported back in time.

PLYMOUTH — Most people have probably never heard of ... U.S. was recently strengthened with the unveiling of a sculpture of Plymouth Rock. DGT Associates, a Boston-based surveying and ...