Laura Verklan

The Exorcist has terrified audiences since 1973, but few know the story is true. For the first time on television, investigators expose shocking secrets about the real-life exorcism of a 13-year-old boy that inspired an iconic horror film.

The story of Queen Elizabeth II from those who know her best.

Bigfoot has roamed the earth for centuries, protected by dark forests and darker caves. But does he exist? The hunt for the supposed gentle giant has produced new evidence suggesting the creature is far more fierce and predatory than previously believed.

The seven wonder of our solar system are discussed: Enceladus' geysers, Rings of Saturn, Jupiter's Great Red Spot, the Asteroid Belt, Mars' Olympus Mons, the Surface of the Sun, and planet Earth.

With ample archival footage, detailed personal accounts by both American and Japanese forces and commentary from historians, The History Channel's documentary goes behind the headlines of this infamous first strike against the United States in 1941. Also included in this program on Pearl Harbor is a detailed look at Adm. Chester Nimitz, who was instrumental in rebuilding the destroyed United States Navy to fighting strength.

From the planets to the stars and out to the edge of the unknown, history and science collide in a wondrous yet deadly adventure through space and time.

Life After People is a television series on which scientists, structural engineers, and other experts speculate about what might become of Earth should humanity instantly disappear. The featured experts also talk about the impact of human extinction on the environment, and the vestiges of civilization thus left behind.

Clash of the Gods is a one-hour weekly mythology television series that premiered on August 3, 2009 on the History channel. The program covers many of the ancient Greek and Norse Gods, monsters and heroes including Hades, Hercules, Medusa, Minotaur, Odysseus and Zeus.