Checking Out Petroglyph National Monument: Fun Facts and Must-Do Activities for each Visitor Petroglyph National Monument stands as a tribute to the social legacy of Aboriginal peoples, showcasing over 24,000 ancient makings. Each petroglyph reveals tales and symbols that reflect the history and beliefs of past human beings. Site visitors https://petroglyph-national-monum01913.thenerdsblog.com/45042540/petroglyph-national-monument-features-historic-lava-formations