Deep in the Colombian Amazon region of Serrania De La Lindosa, a roughly 12-mile stretch of rock is covered in a vast ...

Columnist Candy Moulton writes, "Some of Wyoming’s rock art resources are well known. These include the White Mountain ...

“However, the giant snake engravings studied in the paper are some of the largest single rock art images anywhere in the world and come from the heart of a lowland tropical environment.” ...

Archaeologists discovered clusters of red ocher drawings scattered on rocks and cliffs across Canaima National Park—and have some theories on who made the mysterious art.