Netflix’s Ancient Apocalypse: The Americas highlights several major archaeological discoveries. Chief among these is the uncovering of geoglyphs etched into the Amazonian landscape. Geoglyphs are human-made features, usually earthworks, created on the surface of the earth. They may involve digging trenches or clearing or adding stones or earth that create a contrast between the creation and its surroundings. They’re identifiable from the ground but most visually striking from the air.
