In-flight recordings and transcripts of conversations between air crews and control towers workers give insights into UFO sightings, as astronauts and pilots recall their bizarre encounters and how disturbed they were by the experience
A cemetery in Aurora, Texas claims to hold the body of an alien; petroglyphs depict strange beings in Utah; 19th century ranchers report seeing an otherworldly creature emerge from Elizabeth Lake; the home of Wyatt Earp in Tombstone, Ariz.
The ancient Egyptian design of the three pyramids of Giza; diverse cultures worship the all-knowing triads; an ancient tablet noted the power of the number three; the language of human DNA is written in a pattern of threes.
In 1950, a military transport plane disappears in the Alaska Triangle with 44 people on board; this episode examines the possibility that a space-time vortex could have transported the plane to another dimension.
Cultures all over the world have practiced complex techniques to preserve the human body after death; ancient Egyptians believed mummification ensured entrance into the next life; while Buddhist monks practiced self-mummification.