Face Artifact The Place: Mantoloking, New Jersey Found on the beach, a pebble in the sand with sculpted human features. To unlock this riddle, the team must travel through time, across borders and between cultures. Fire Station The Place: Morristown, New Jersey The evidence suggests that President Ulysses S. Grant celebrated America's centennial at this old firehouse. The History Detectives try to prove it. ""Pop"" Lloyd's Baseball Field The Place: Atlantic City, New Jersey Black ball players, white politicians, prejudice and patrimony. All of these threads appear when the History Detectives begin to unravel the origins of a historic memorial to black ballplayer John Henry Lloyd.