The History Channel

Zombies rising from their graves... Blood sucking vampires damned for all eternity... and humans trapped in a life and death struggle between heaven and hell. For thousands of years, mankind has told tales of encounters with strange, soulless creatures. Are these beliefs merely manmade fabrications--or could there be extraterrestrial origins in earthly encounters with the undead?

Who are the beings with big heads and giant eyes that seem to have been visiting our planet for millennia? Known by researchers as the "greys," these mysterious beings have been depicted in rock-art and carved stone figures throughout the ages and all over the world. Who are they, what planet do they come from, and what do they want?

NASA scientists, former astronauts and secret government files all point to the conclusion that there has been contact with extraterrestrial life in the past. Researchers examine this and other recent scientific evidence that may provide proof of alien contact in both the recent and ancient past.

Zombies rising from their graves... Blood sucking vampires damned for all eternity... and humans trapped in a life and death struggle between heaven and hell. For thousands of years, mankind has told tales of encounters with strange, soulless creatures. Are these beliefs merely manmade fabrications--or could there be extraterrestrial origins in earthly encounters with the undead?

Over three nights in December 1980, Air Force personnel stationed at a NATO installation in England witness strange lights in the sky above the RAF Bentwaters and Woodbridge bases. On the night of the 25th, when servicemen spot a glowing object in the woods, they investigate and come upon a triangular metallic craft. One of them touches it and records strange etchings in his notebook. It shoots above the treetops and the men are later found in a daze by other troops. Two nights later, the Deputy Base Commander and a team investigating the alleged site see lights over a field beyond the woods and a red object. It speeds off, beaming lights over the bases. Some witnesses allege use of force and sodium pentothal during interrogation. A memorandum issued by the Deputy Base Commander, which records some statements, is later released via the Freedom of Information Act. More files are released in 2002 but, to this day, the events remain a mystery. We'll try to unravel it.

Coyame, Mexico is a small town not far from the US border. It's home to three thousand people and possibly the best-kept secret of all-time. In August of 1974, the USA military was tracking a mysterious object over Mexico; then suddenly it disappeared from radar near Coyame. At the same time a civilian plane headed in the opposite direction is reported missing. What follows next is the stuff Hollywood blockbusters are made of: a crash site, a spacecraft, dead bodies, a covert recovery mission, and a government cover-up. Is this the story of the century, or just a piece of Mexican folklore? Over the last 15 years, Mexico has experienced an unprecedented UFO wave. While the sheer volume of encounters garners attention, it's the apparent quality, or credibility, of these incidents that has our attention. Through interviews with witnesses and experts we examine the evidence, and controversial footage released by the Mexican military reveals never before seen video.

Mysterious places can be found around the Earth, and, inexplicably, UFOs are often sited near these mystical areas. Planes and ships unaccountably disappear in the infamous Bermuda Triangle. Strange magnetic anomalies in Mexico's Zone of Silence have not only drawn missiles off their course, but seem to pull meteorites out of the sky. An ancient doorway carved into a sheer rock wall in Peru's Puerta de Hayu Marka is said to be a portal to other worlds. Markawasi's plateau is filled with strange rock formations allegedly left behind by an ancient advanced civilization. What connections do these and other "hot spots" share? Is it possible that ancient extraterrestrials also knew about these mysterious places?

Hindu scripture describes an enormous flying creature called a Garuda that shook the ground when it landed on Earth. Is it possible that this monster was actually a misinterpreted alien craft? Are hybrids like the Centaur, the Minotaur and Medusa just mythical creatures of fantasy--or could these ancient depictions of terrifying monsters have been the result of advanced extraterrestrial transplantation procedures?

It is one of the most secure structures in the world. It safeguards the vast wealth of the United States... And its name is synonymous with one of the most precious commodities in the history of the world--gold. But behind this building's stone exterior are secrets. This episode unlocks the secret contents, political controversy, and cutting edge security hidden behind the gates of the world's most famous vault. How did the Unites States amass its gold? What is the precious metal really worth? Who's allowed inside the vault? What else is stashed there? Could Fort Knox actually be empty?

Geologist and adventurer Scott Wolter explores a government-restricted site, and makes a startling discovery connecting the ancient Mayans with rural Georgia.

Every now and then a researcher will discover a historical enigma, an unproven rumor, a story with a puzzling outcome. Such encounters are an irresistible challenge for Brad Meltzer, the #1 New York Times best-selling author. What if I told you Fort Knox was empty? Buddy, Scott and McKinley travel to Kentucky to investigate the history of the legendary vault, and discover the devastating impact it would have on our economy and our pocketbooks if the gold were gone. Fort Knox has not been audited since 1974, but does that mean the government is shielding its empty pocket book from the prying eyes of the American public, or is the privacy in place to protect a different secret altogether?

It is America's most infamous address, a place where fantasies come to life--and anything goes. But behind the security cameras and stonewalls of the Playboy Mansion are secrets. Go inside the stately residence to reveal the secret places, decadent gatherings, and special indulgences usually reserved for beautiful women and Hollywood's elite. How hard is it to get an invitation to the Playboy Mansion? How did Hugh Hefner transform the Mansion into a palace of pleasure? Who is the most notorious guest? What does it take to protect the Mansion for outside intruders? Home to one of the world's most private of public figures, the Playboy Mansion is a sanctum of secrets.

What are the true limits of the human body? Are superhuman feats possible by simply changing ones state of mind? Amsterdam's "Iceman" Wim Hof harnesses the ancient Buddhist practice of "inner fire" to run barefoot marathons on Arctic Ice. In California, dentists drill the teeth of patients anesthetized merely by hypnosis. And in the Amazon, followers of a religious cult called Tambor de Mina believe their priest can actually suck disease out of a sick person--in the form of a blood-soaked insect.

Informational programming.

Informational programming.

Informational programming.

Informational programming.

Take a sneak-peek at what s coming up next month on H2. H2 offers a deeper perspective on history from all around the globe. It's more to explore, more to know, more to understand--More 2 History.

Over three nights in December 1980, Air Force personnel stationed at a NATO installation in England witness strange lights in the sky above the RAF Bentwaters and Woodbridge bases. On the night of the 25th, when servicemen spot a glowing object in the woods, they investigate and come upon a triangular metallic craft. One of them touches it and records strange etchings in his notebook. It shoots above the treetops and the men are later found in a daze by other troops. Two nights later, the Deputy Base Commander and a team investigating the alleged site see lights over a field beyond the woods and a red object. It speeds off, beaming lights over the bases. Some witnesses allege use of force and sodium pentothal during interrogation. A memorandum issued by the Deputy Base Commander, which records some statements, is later released via the Freedom of Information Act. More files are released in 2002 but, to this day, the events remain a mystery. We'll try to unravel it.

Coyame, Mexico is a small town not far from the US border. It's home to three thousand people and possibly the best-kept secret of all-time. In August of 1974, the USA military was tracking a mysterious object over Mexico; then suddenly it disappeared from radar near Coyame. At the same time a civilian plane headed in the opposite direction is reported missing. What follows next is the stuff Hollywood blockbusters are made of: a crash site, a spacecraft, dead bodies, a covert recovery mission, and a government cover-up. Is this the story of the century, or just a piece of Mexican folklore? Over the last 15 years, Mexico has experienced an unprecedented UFO wave. While the sheer volume of encounters garners attention, it's the apparent quality, or credibility, of these incidents that has our attention. Through interviews with witnesses and experts we examine the evidence, and controversial footage released by the Mexican military reveals never before seen video.

Mysterious places can be found around the Earth, and, inexplicably, UFOs are often sited near these mystical areas. Planes and ships unaccountably disappear in the infamous Bermuda Triangle. Strange magnetic anomalies in Mexico's Zone of Silence have not only drawn missiles off their course, but seem to pull meteorites out of the sky. An ancient doorway carved into a sheer rock wall in Peru's Puerta de Hayu Marka is said to be a portal to other worlds. Markawasi's plateau is filled with strange rock formations allegedly left behind by an ancient advanced civilization. What connections do these and other "hot spots" share? Is it possible that ancient extraterrestrials also knew about these mysterious places?