Some 500,000 years ago, the earth cracked open at what is today near the border of Oregon and California, spewing out lava that covered the landscape and scorched all that lay in its path. What we ...

SWEET HOME -- Only some of the petroglyphs catch the eye right away. So Tony Farque held up a flashlight and clicked the button to trigger a strobe. Light flickered on the rock wall towering above him ...

In northeastern Brazil, in a geological formation called the Sousa Basin, 9,000-year-old man-made petroglyphs have been found alongside 100-million-year-old dinosaur footprints. A recent study claims ...

One of the things that makes Lava Beds National Monument so special is that it is one of the longest continuously occupied homelands in North America. Ancestors of today’s Modoc people resided in the ...

Ancient cave paintings, petroglyphs and pictographs are the fascinating rock-art puzzles of the past, front and center at a special Deschutes Public Library program Monday at 11 a.m. at Redmond's ...

If the sand hadn’t shifted just right, and if a beam of sunlight hadn’t illuminated the shoreline at that very moment, and if no one had actually been on the beach to see it, 17 giant petroglyphs in ...

Miles below the Earth’s surface are some of the most dangerous caves in the southeastern U.S. “You are in an alien world,” Jan Simek, archaeologist and anthropology professor at the University of ...

Add Yahoo as a preferred source to see more of our stories on Google. The author examining pictographs in 60th Unnamed Cave, Tennessee. Alan Cressler On a cold winter’s day in 1980, a group of ...

Tucked into a hillside — you don’t see it until you’re practically standing on top of it — it’s easy to see how Hidden Cave got its name. Located about 12 miles east of Fallon via U.S. 50, the cave ...