Examines the life of the daughter of the czar who ruled during the Russian Revolution and discusses the question of whether she escaped or was killed along with the rest of her family.

Presents opposing viewpoints on the origin and purpose of the mysterious megalithic monument in England.

Examines scientific and legendary sources to explore the existence of unicorns.

Explores Einstein's theory of relativity, its initial reception as well as current scientific acceptance of his ideas about time and space, and the mysterious workings of our universe.

Explores both sides of issues related to Korea and its relationship with the United States, including the military threat from North Korea, human rights violations, and the likelihood of reunification.