COVER—Roman Sigaev/Alamy StockPhoto;1—Tibor Bognar/Alamy StockPhoto; 3—(clockwise from top left) ChristophGerigk ©Franck Goddio/Hilti Foundation, franckgoddio.org, Erich Lessing/Art Resource, Manx National Heritage, Ioannis Mantas/Alamy Stock Photo, Image courtesy of RobertoCeccacci; 4—Azoor Photo Collection/AlamyStock Photo; 6—Jim Haberman; 9—ErichLessing/Art Resource; 10—Courtesy SeamusBlackley, Photo: Joe Fenwick/CourtesyRathcroghan Visitor Centre; 11—(clockwisefrom top) Lucas Stephens, David Schloen, Image courtesy of Roberto Ceccacci; 12—Espen Finstad/secretsoftheice.com (5); 13—©MOLA; 14—© Denis Gliksman/Inrap, ©Nina Parisot/Inrap, © Denis Gliksman/Inrap, Courtesy Fraser Sturt (2); 15—Courtesy JoeMcConnell; 16—Christoph Gerigk ©FranckGoddio/Hilti Foundation, franckgoddio.org (4); 18—Courtesy University of Reading, Courtesy Maritime Archaeology Trust (2);20—Ioannis Mantas/Alamy Stock Photo, Alessandro Pierattini (2), Manx NationalHeritage (2), Rachel Crellin; 22—(clockwisefrom top left) Courtesy Bob Muckle, JohnLalor, Image courtesy of The Israel Museum, Jerusalem, Deultum Archaeological Reserve, Wikimedia Commons; 23—(clockwise fromtop left) Worcestershire County Council, F.d’Errico and L. Doyon, Courtesy Dr. SofiaSamper…