The pictographs in Warrenton, Missouri’s Picture Cave, which depict human and animal forms in Osage Nation creation stories and ceremonies, are estimated to be as much as 1,500 years old. Anita ...

Souta Calling Last, left, and Macie Ahlgren cut the ribbon at the opening of the Bear Gulch Pictographs visitor center on ...

It was next to centuries-old pictographs, or rock art, considered sacred and irreplaceable among area tribal members.

Houstonian Gordon Houston, who is pursuing a doctorate on this riddle, says he believes he has figured out the answer for centuries-old glyphs known as the Pictographs of Paint Rock, Texas.

Pictograph Cave State Park, just south of Billings, has rock art dated to 2,000 years old. The park is the perfect place to learn more about rock art and the long history of human use of the area.

A Pictograph is a chart that uses pictures to represent data. Learn how to make a Pictograph chart in Excel by following these easy steps.

P.S. Pictograph Vandalism ‘Irritating’ In this Feb. 22, 2010 photo, graffiti is seen over ancient Indian pictographs at the Red Elk Rock Shelter south of Hells Gate State Park, in Lewiston, Idaho.

The vandals etched “JR + DR 2022” into the limestone surface of the centuries-old Hellgate pictographs in western Montana.

With its 4,000-year-old rock art, Seminole Canyon's tour of pictographs is perhaps the best-known in a state that experts say offers some of the nation's best examples of early artistic expression.

Journey to Baja's Sierra de San Francisco, where larger-than-life, centuries-old pictographs decorate canyon walls ...