In the 21st century, mainstream scholars, scientists, and world governments have for the first time openly joined the hunt for intelligent life beyond Earth.

Artificial metallic objects dating back hundreds of thousands of years. New discoveries of metals once thought to be mythological.

In the southwest corner of the Wiltshire, England countryside lies the mysterious structure known as Rudloe Manor.

Many of the architectural marvels of the ancient world bear striking similarities to one another, even though they were separated by thousands of miles.

According to legend, an ancient curse was placed upon the tomb of King Tutankhamun, and when that tomb was opened in 1922, a series of terrible events occurred.

Could clues about our extraterrestrial origins be hidden in these discarded pieces of our past?

"City of the Gods"--is one of the world's greatest mysteries.

mantras and chanting has existed in cultures

In 1984, a roll of 35mm film surfaced from an anonymous source that contained pictures of what is now known as the Eisenhower Briefing Document.

Throughout history, prophets and visionaries have claimed to be able to telepathically access knowledge and information that would ultimately steer the course of human history.

India's Sanskrit texts are filled with incredible stories about advanced technology in the ancient world.

Extraterrestrials are almost always envisioned as humanoid, but is this an egocentric concept?

Across the globe, over 1.5 billion people believe in reincarnation, the belief that a soul can be reborn into a different body after death.

In Honshu, Japan, stands one of the country's oldest and holiest Shinto shrines--the Ishi-no-Hoden megalith.

Hundreds of strange disks are discovered in a cave in China .

The ancient site of Gobekli Tepe challenges everything modern archaeologists believe about mankind's past.