By official accounts the event seems straightforward: On 31 August 1997, Diana, Princess of Wales, died of injuries sustained in a car crash in Paris. However, there are still unanswered questions. Is there something the authorities have yet to reveal?

Was failed U.S. President Franklin D. Roosevelt aware that Pearl Harbor was going to be attacked? The history books fail to explain whether the 'surprise' Pearl Harbor attack was really a surprise.

Legend says Butch Cassidy and the Sundance Kid survived and returned to the United States. Did Butch Cassidy live long past his supposed demise?

Theories surrounding some of the world's greatest contemporary innovations. Is anything really new? Does every innovation already exist, waiting to be found?

Controversy has surrounded the construction of the Great Pyramid in Egypt for over four thousand years. The ‘Coral Castle’, built in 1923 by one man using crude tools and no mortar may hold the answers as this intriguing program explores.

Did John Wilkes Booth act alone in assassinating President Lincoln? Was he aided by Confederate sympathizers? Was there a larger conspiracy at the highest levels of government? This program asks these questions and presents newly discovered evidence.

News stories report elementary school aged scholars who earn college degrees, even doctorates. Are these children the vanguard of a new generation of intelligent human beings or the product of genetic coincidence? This program examines the question.

The strange sighting over the southwestern United States in March 1997 called the ‘Phoenix Lights’ lasted for three hours. Investigators found no plausible explanation. This program presents new footage of the Phoenix Lights that continue to appear.

The 1991 discovery of the 5,200 year old remains of a Copper Age man frozen in Italy’s Alpine mountains altered the scientific community’s view of the history of man and may aid scientists in determining how long the human race has lived on planet Earth

Official U.S. government policy is that there is no credible evidence that any POWs or those listed as MIA are still alive from World War II, the Korean War or the Vietnam War. Is that a true fact? What is the truth about the fate of our POWs and MIAs?

Fifty years after President John F. Kennedy was assassinated there are still questions: Was Lee Harvey Oswald the lone gunman? Was there a conspiracy? Why were the Warren Commission findings sealed for 75 years? This program examines these questions.

The pyramids at Giza near Cairo, Egypt are among the most extraordinary structures ever built. The pyramids have stood for thousands of years yet remain shrouded in mystery including the question were the Egyptians truly the builders?

What happened at Roswell in July 1947? Did an alien spacecraft crash and the bodies retrieved or was it a weather balloon as authorities later claimed? Could this be the most shocking cover-up of the 20th century? This program examines that question.