November's edition of the magazine is a historic look at the 100 Wonders of Archaeology through the ages. Discoveries such as the cave art of Lascaux and the tomb of King Tut have yielded remarkable secrets dating as far back as 3.7 million years ago. From the new National Geographic book Lost Cities, Ancient Tombs, see the finds that changed history. Also in this issue, the ecological threat facing the Antarctic Peninsula and a poignant dispatch from Paul Salopek on the insights from his 24,000-mile walk around the world.