The geoglyphs in this 200 million-year-old desert have baffled scientists who are scratching their heads about where they've come from. Geoglyphs are a type of land art, occasionally rock art ...

Breeders’ Cup contender Geoglyph gallops this morning during the exercise period at the Delmar Race Track Tuesday Oct. 29, 2024 in San Diego, CA. Photo by Skip Dickstein Skip Dickstein Geoglyph ...