Natalee Ann Holloway; Nicola Tesla's greatest invention promised to power the world for free; the first discoverers of America; John Wilkes Booth.

Program 2 keeps you guessing through these mysteries - Who fired the shot heard around the world? Who bombed wall street in 1920? What is the Jersey Devil?

Delve into the killing of Harry Houdini, the Tylenol murders, and the Apollo Eleven moon landing.

The murder of Thelma Todd; Babe Ruth fixing a match; Bigfoot's existence; Fatty Arbuckle suspected of killing Virginia Rappe; a bizarre Roswell connection; the Boston Heist Paintings; the mysterious death of Edgar Allan Poe.

Escapees from Alcatraz; the fate of Judge Crater; the New Orleans axman.

The execution of the Rosenbergs; the culprits of the St. Valentine's Day Massacre; the Phoenix Lights; Sirhan Sirhan was rumored as a mob assassin; Pearl Harbor may not have been a surprise attack; the body buried in Billy the Kid's grave.