MARCH/APRIL 2012 VOLUME 65, NUMBER 2 CONTENTS features 24 Saga of the Northwest Passage Discovering evidence of an ill-fated mission in the frigid waters of the Arctic BY ALLAN WOODS 32 New Life for the Lion Man Using recently uncovered fragments, archaeologists may be able to finally piece together one of the world’s oldest works of art BY JARRETT A. LOBELL 34 Rome’s Lost Aqueduct Searching for the source of one of the city’s greatest engineering achievements BY RABUN TAYLOR 41 Coronado’s Deadly Siege Hundreds of metal artifacts pinpoint the possible site of a bloody battle between conquistadores and a Puebloan people BY JULIAN SMITH 46 The Pearl Trade Archaeologists excavating on the shores of the Persian Gulf search for what may prove to be the source of the world’s longest-lived economy BY ANDREW LAWLER 24 Parks Canada archaeologists examine the top-yard truss of HMS Investigator, a polar vessel that sank after becoming trapped in ice in 1853. It is not known why this piece of the ship was buried on shore. Cover: The grotto of Santa Fiora, where the Roman aqueduct Aqua Traiana may have had its source. COURTESY OF RABUN TAYLOR 1