Maps by National Geographic Book Publishing Group and Justin Morrill, The M Factory.
i1.1, Erich Lessing/Art Resource, NY; i1.2, Pantheon Studios, Inc.; i2.1, Underwood & Underwood/CORBIS; i2.2, Erich Lessing/ArtResource, NY; i2.3, Pantheon Studios, Inc.; i2.4, Bettmann/CORBIS; i2.5, Steve McCurry; i3.1, Pantheon Studios, Inc.; i3.2, Turkey/Alamy Ltd; i3.3, R. Thomas Schaub, Expedition to the Southeast Dead Sea Plain i3.4, REZA; i3.5, Réunion des Musées Nationaux/Art Resource, NY; i4.1, Pantheon Studios, Inc.; i4.2, Bildarchiv Preussischer Kulturbesitz/Art Resource, NY; i4.3, Pantheon Studios, Inc.; i4.4, O. Louis Mazzatenta; i4.5, Erich Lessing/Art Resource, NY; i4.6, Pantheon Studios, Inc.; i4.7, REZA; i4.8, Victoria & Albert Museum, London/Art Resource, NY i5.1, Erich Lessing/Art Resource, NY; i5.2, Dennis Cox/Alamy Ltd; i5.3, North Wind Picture Archives/Alamy Ltd; i5.4, Art Resource, NY; i5.5, Erich Lessing/Art Resource, NY; i5.6, Erich Lessing/Art Resource, NY; i6.1, Alinari/Art Resource, NY; i6.2, Foto Marburg/Art Resource, NY; i6.3, HIP/Art Resource, NY; i6.4, Erich Lessing/Art Resource, NY; i6.5, Dave Bartruff/CORBIS; i6.6, Martin Gray/NG Image Collection; i6.7, Erich Lessing/Art Resource, NY; i7.1, Giraudon/Art Resource, NY; i7.2, Erich Lessing/Art Resource, NY; i7.3, Michael Yamashita; i7.4, Jon Arnold Images/Alamy Ltd; i7.5, Erich Lessing/Art Resource, NY; i7.6, Erich Lessing/Art Resource, NY.