* Used as: Tombs for pharaohs Khufu, Khafre, and Menkaure
* Location: Giza Plateau, on the outskirts of Cairo, Egypt
* Built: 2580-2494 BCE
Teotihuacan, Mexico
* Used as: Temples and ceremonial centers
* Location: Teotihuacan Valley, northeast of Mexico City, Mexico
* Built: 100-750 CE
Chichén Itzá, Mexico
* Used as: Temples, observatories, and ceremonial centers
* Location: Yucatán Peninsula, Mexico
* Built: 600-1200 CE
Machu Picchu, Peru
* Used as: Estate for the Inca emperor
* Location: Andes Mountains, Cusco, Peru
* Built: 1450-1470 CE