The UnXplained
Whether legends of vast, lost treasures hidden throughout the U.S. are real or tall tales.
Whether legends of vast, lost treasures hidden throughout the U.S. are real or tall tales.
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Exploring the possibility that shamans communicated with extraterrestrials to influence mankind.
Counting down the top artifacts that could prove aliens once walked among us.
Giorgio Tsoukalos takes a look back at evidence that could offer proof that aliens exist.
Giorgio Tsoukalos takes a look back at some of the most compelling investigations.
"Ancient Aliens" is counting down the world's top 10 pyramid sites, from Peru to Egypt.
Researchers suggest that some animals may have been planted here by aliens as part of an experiment.
The mysterious chain of manmade islets in Micronesia's Nan Madol.
The ancient site of Göbekli Tepe challenges what archaeologists believe about the past.
Russian cosmonauts discover living sea plankton covering parts of the International Space Station.
Mysterious relics and sealed vaults may have been hidden on purpose.
Giorgio Tsoukalos takes a look back at some of the most compelling investigations.
"Ancient Aliens" is counting down the world's top 10 pyramid sites, from Peru to Egypt.
Researchers suggest that some animals may have been planted here by aliens as part of an experiment.
The mysterious chain of manmade islets in Micronesia's Nan Madol.
The ancient site of Göbekli Tepe challenges what archaeologists believe about the past.
Russian cosmonauts discover living sea plankton covering parts of the International Space Station.
Mysterious relics and sealed vaults may have been hidden on purpose.
Giorgio Tsoukalos takes a look back at some of the most compelling investigations.
"Ancient Aliens" is counting down the world's top 10 pyramid sites, from Peru to Egypt.
Researchers suggest that some animals may have been planted here by aliens as part of an experiment.
Showing1to20of566results