Ancient Aliens 17, The Monoliths

Experts question the startling similarities in burial tombs from distant cultures, asking if aliens could have influenced their complicated designs.

Did prophets such as Elijah and Joseph Smith communicate with a heavenly source or did they actually come into contact with extraterrestrials?

Ancient alien theorists explore the mysterious phenomena of the Nazca Lines. Could these huge geoglyphs in Southern Peru have an extraterrestrial connection?

Experts scrutinise The Bible for evidence of alien abductions. Could extraterrestrials have been kidnapping humans for thousands of years?

A look at how ancient man could have built huge stone monoliths without advanced tools or technology. Could they have had extra-terrestrial help?

Ancient alien experts investigate the mysterious and fearsome Norse Gods. Were they divine? Or could the all-powerful Vikings have been guided by aliens?

A look at the controversial ancient alien theories of Erich von Däniken, whose books have sold over 65 million copies worldwide.

Could ancient rulers have had otherworldly links? Experts examine whether history's most powerful leaders were 'chosen' and guided by aliens.

Experts investigate reports of bird-like figures that practised advanced medical science in ancient times. Could they have been extra-terrestrial?

Experts investigate mysterious relics that have been revered by cultures for millennia. Could these sacred items truly hold divine or otherworldly power?

New interpretations of ancient texts indicate that Satan may have been extraterrestrial. Could these new theories about the ruler of Hell be true?

Theorists search ancient texts for proof that extraterrestrials influenced the miraculous advances made by the Sumerian civilisation 5,000 years ago.

Experts explore the controversy surrounding the ancient Crystal Skulls, asking what powers might be unleashed if all 13 artefacts were brought together.

Experts investigate the power of the number three in history, science and astronomy. Could its huge significance bear links to extraterrestrial life?

Experts search ancient accounts of magic for evidence suggesting that the wizards and witches of yesteryear were given otherworldly knowledge by aliens.