Ancient Aliens

Studies have shown that up to 70% of all UFO sightings happen in so-called `hotspots' where reports of visions, mysterious lights and unusual phenomena are regularly witnessed.

More than 10,000 crop circle formations have been documented in over 50 countries, and many display properties that defy conventional explanations. Are they of otherworldly origin?

The discovery of the ancient megalithic site of Karahan Tepe in southern Turkey turned the world of archaeology on its head.

While mainstream scholars identify the towering obelisks of ancient Egypt as monuments to the pharaohs, others suggest they may have served a technological purpose.

The Mutual UFO Network--better known as MUFON--is the world's leading organization devoted to the scientific investigation of unidentified aerial phenomena.

Could new evidence reveal that celestial objects have been directed to Earth by an alien intelligence?

The Center for the Study of Extra-Terrestrial Intelligence defines a "Close Encounter of The Fifth Kind" as direct human contact and communication with extraterrestrial life.

The vast Alaskan wilderness is well known for mysterious disappearances, electromagnetic anomalies, stories of strange creatures, and is a hotspot for UFO sightings.

Terrifying encounters at 40,000 feet. Pilot accounts of UFOs taking control of their aircraft. Since the dawn of aviation, pilots have experienced unexplainable events in the sky.

Could the ancient mysteries that exist on the Mediterranean islands of Malta be connected to local legends of alien visitation--and giant hybrid beings?

Ancient Aliens is counting down the world's top ten pyramid sites. Could the extraordinary structures that stand at these sites provide evidence of extraterrestrial visitation?

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.

Ancient Aliens is counting down the world's top ten mysterious islands.

Around the world and throughout history, people have reported seeing very similar types of unidentified objects in the sky.

In the early 1900s, a prophet from Kentucky claimed to receive visions and have encounters with otherworldly beings.

Is it possible that the powerful beings from Mt. Olympus were, in fact, extraterrestrial visitors to Earth?

A new generation of UFO hunters is employing incredible technology, and Unidentified Flying Objects are being openly investigated by the government.

Could it be that what fuels our faith in talismans is not superstition, but a real connection to something beyond our world?

We're counting down the top ten mysteries of the deep, from sunken continents to puzzling ruins on the ocean floor and even artifacts that might be remnants of Atlantis.

Ancient Aliens is 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.