A man from New Jersey claims to have the instrument panel from the Hindenburg in his possession, in which his family lore claims it came from the blimps 1937 crash site. Then, an 18th-century book titled "Trials of Patriots," may contain John Adams signature and an inscription to his son, Charles. And a search is on at 1520 Sedgwick Avenue in the Bronx to see, as legend has it, the origins of hip-hop music.