Ancient Aliens

Studier har visat att upp till 70% av alla UFO-observationer sker i så kallade hotspots där rapporter om syner, mystiska ljus och ovanliga fenomen regelbundet bevittnas. Och inte bara i modern tid, utan tusentals år tillbaka i tiden.

Mer än 10 000 cirkelformationer har dokumenterats i över 50 länder och många av dessa formationer utmanar konventionella förklaringar. Är de av utomjordiskt ursprung och om så är fallet, vad är deras syfte?

Upptäckten av den megalitiska fornlämningen Karahan Tepe i södra Turkiet har vänt upp och ned på den arkeologiska världen och visar på ingenjörskonst som vida överträffar vad dåtidens människor kunde tänkas vara kapabla till.

Obeliskerna i det gamla Egypten var perfekt uthuggna ur en granitsten. Medan forskare identifierar dem som monument, föreslår rymdteoretiker att de användes för att utveckla en teknik som gjorde det möjligt att kommunicera med gudarna via stjärnorna.

The Mutual UFO Network is an organisation devoted to the scientific investigation of unidentified aerial phenomena and other unexplained encounters. With more than five decades of investigations, MUFON's extensive database could contain proof.

Meteor impacts have altered the world, creating the environment for the rise of humankind and delivering metals essential to an advanced civilisation; evidence could reveal that celestial objects have been directed to Earth by alien intelligence.

The possibility of direct human contact with extraterrestrial life within the highest levels of the U.S. government.

The vast Alaskan wilderness is known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures and UFO sightings; Alaska's many mysteries could be due to a presence that is not of this world.

Terrifying encounters at 40,000 feet; pilot accounts of UFOs taking control of their aircraft; entire jumbo jets disappearing into thin air; since the dawn of aviation, pilots have experienced unexplainable events in the sky.

Enormous, megalithic structures of mysterious origins; a vast underground complex containing the remains of what some believe to be otherworldly beings; the ancient mysteries that exist on the islands of Malta could be connected to alien visitation.

Ancient Aliens is counting down the world's top ten pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4800-year-old ruins to Egypt's famous Giza Plateau.

Ancient Aliens is counting down the world's top ten mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico.

Ancient Aliens is counting down the world's top ten mysterious islands, including sites said to be home to giants, remote landmasses that are home to massive megalithic structures, and even islands that disappear into thin air.

Around the world and throughout history, people have reported seeing very similar types of unidentified objects in the sky. Now, Ancient Aliens is counting down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers.

In the early 1900s, Edgar Cayce, a modern-day prophet from the hills of Kentucky, becomes a worldwide sensation; he claims to receive visions of the past and future, he heals the sick, and alleges to have encounters with otherworldly beings.

Whether the gods of Greece including Zeus, Apollo and Poseidon from Mt. Olympus were extraterrestrial visitors to Earth.

In the 21st century, UFOs have gone from fringe science to mainstream obsession; a new generation of UFO hunters employ technology, and Unidentified Flying Objects are openly investigated by the government.

For thousands of years, people have held the belief that everyday objects can possess hidden energy. Talismans are seen as providing protection, good fortune, and some are even thought to embody a higher power.

A countdown of the top ten mysteries of the deep, from sunken continents to puzzling ruins found on the ocean floor and even artefacts that might be the surviving remnants of Atlantis.

Counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts.