TV Guide History Friday

Host Giorgio Tsoukalos probes the series archives to explore remarkable ancient structures that defy conventional explanation.

Ufologist George Van Tassel is supposedly guided by alien knowledge to make a structure that can help people rejuvenate and experience everlasting life.

In the western Pacific Ocean is a vast area known as Oceania that is home to the world's most remote and mysterious islands.

Researchers delve into the possible truth behind the existence of Shambhala, a kingdom populated by gods that is described in early Tibetan traditions.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

A look at the lives of people or information about a certain thing or topic is presented.

Pastor Doug Batchelor presents a studious hour on spiritually relevant topics such as Bible prophecy, the gospel message and the Holy Spirit.

Dr. David Jeremiah, senior pastor of Shadow Mountain Community Church in El Cajon, Calif., delivers the unchanging Word of God to an ever-changing world.

The violent psychopathy typically shown by serial killers remains a mystery regarding how people can murder multiple people with little to no remorse.

Millions of people who span the entire planet have shared their experiences with cryptozoological beings such as the Mothman and the Chupacabra.

Researchers and experts contemplate the possibility that certain people can truly possess the power to accurately predict future events.

There are scores of mysterious natural events that continue to boggle scientists in modern times, which may require a supernatural explanation.

A look at creature sightings throughout history, from mythological monsters to modern-day mysteries and whether or not unknown creatures may be real.

For centuries, researchers from around the world have been gathering evidence from eyewitness accounts and physical remnants of Bigfoot.

A look at ancient structures whose construction seems to defy explanation, with advanced techniques and shapes unmatched even by modern architecture.

Exploring theories claiming hidden pyramids exist in Alaska, China and Bosnia.

Exploring whether or not mythical tales of flying, fire-breathing serpents might be based in extraterrestrial encounters from history.

Exploring theories about space debris claimed to originate with aliens and whether or not such objects exist or could have influenced human history.

Featuring bonus content, ancient astronaut theorists point to evidence that suggests extraterrestrial beings have changed human history and evolution.

Featuring bonus content, ancient astronaut theorists point to evidence that suggests extraterrestrial beings have changed human history and evolution.