Overview: Portrait of George Washington The Place: Frederick, Maryland Is this an authentic portrait of the nation's first president, George Washington? The History Detectives call in a fake buster and art historian to discover if this is a national treasure. Patty Cannon The Place: Federalsburg, Maryland Was Jack and Rose's home once the headquarters of kidnapper and slave trader Patty Cannon? Trumpet The Place: Bucks County, Pennsylvania Was this trumpet, bought by a Philadelphia man at auction, actually played during the battles that won America's independence from England?