You searched for: “geoglyphs
geoglyph (s) (noun), geoglyphs (pl)
A large-scale drawing carved or fashioned into the ground or landscape: A geoglyph can be an image or a picture created on the surface of the earth by lining up stones or rocks, or even by scratching the ground, and usually only perceptible from a distance.

A geoglyph can be exemplified by the Nasca Lines of Peru

This entry is located in the following unit: Archeology, Archaeology (page 3)