Hiking Petroglyph National Monument

Hiking Petroglyph National Monument

Petroglyph National Monument protects one of the largest petroglyph sites in North America. It features designs and symbols carved onto volcanic rocks by Native Americans and Spanish settlers 400 to 700 years ago.  Petroglyphs are ancient rock carvings created by striking the basalt boulders directly with hammerstone removing the dark, desert varnish on the boulder’s … Read more