🇬🇹 Guatemala · Pyramid
Uaxactún Group E Observatory (E-Group)
Middle Preclassic to Late Classic (1000 BCE–900 CE; E-Group 600–300 BCE) · Maya (Preclassic then Tikal sphere)
Type-site of Mesoamerican E-Group solar observatory: western radial pyramid E-VII (Late Preclassic 500 BCE) aligning via three eastern platforms to sunrise solstices/equinoxes, deliberate horizon…