A mysterious opening caught on camera on the Red Planet – could this be a gateway to a base on Mars? A UFO appears to invade an Amazon village and leaves a trail of victims – and an unidentified craft gate-crashes the Queen's Jubilee celebration.
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Explore a shipwreck found in the middle of the desert, learn about the German aerial terror of WW1 and traverse through a ghost town still stalked by a serial killer.
Hundreds of bones are found in a reservoir in Guatemala. In Oman, a strange weather pattern is discovered. Giant animal bones in Australia puzzle researchers. On an island off Tanzania, a huge stone structure is revealed.
In Belize, hundreds of smashed up human bones and teeth are found in a cave. More than a thousand cylindrical pipes are discovered in a well in India. A small glowing animal is found in Australia. Certain Easter Island stone heads present a mystery.
From inexplicable disappearances to mysterious experiments, events in Mount Shasta National Park may be explained by an ancient Karuk Indian legend.
In Montana's Glacier National Park, some claim that there is a hidden underground Nazi base that may even have been the final hideout for Hitler himself.
Many believe Gettysburg National Military Park is haunted by its violent past - here, explore some incredible claims about the park's history.
Few know that one of the US's most mysterious National Parks is in Puerto Rico - a place some believe is home to a creature known as the Chupacabra.
The US government officially recognise UFOs, calling them Unidentified Aerial Phenomena. In this episode Craig and Sarah take on the US Navy UAP videos. They speak to an ex-MOD official, Nick Pope. This programme contains some flashing images.
With light from distant stars taking millions of years to reach us, how long might it take for alien life to answer any communication sent into space?
With science closer than ever to proving that life once lived on Mars, is there a chance that something still exists there?
A mysterious opening caught on camera on the Red Planet – could this be a gateway to a base on Mars? A UFO appears to invade an Amazon village and leaves a trail of victims – and an unidentified craft gate-crashes the Queen's Jubilee celebration.
Journey into the heart of Sasquatch Country with Todd Standing ("Survivor man Bigfoot"). Experience three incredible days in the field with bigfoot researchers and experts as they encounter a real life Sasquatch.
In South Dakota, a security officer is visited by an unearthly presence at a nuclear launch site, knocking him unconscious. When he wakes, he has inexplicably travelled miles from the site. Was it a UFO?
In Cyprus, a U.N. Peacekeeper develops a mysterious power to help fight off a deadly foe. He escapes death several times, but his life is always spared by a mysterious energy, something he calls his “combat antenna.”
A journey to the depths of the Black Sea yields the greatest series of ancient shipwrecks ever discovered. This documentary captures a series of astonishing discoveries made a treasure trove of shipwrecks uniquely preserved that date back two and a half thousand years to the Greek and Roman empires, culminating in maritime archaeology's greatest ever wreck. A fully intact Roman wreck, perfectly preserved in the anoxic waters of the Black Sea.
A journey to the depths of the Black Sea yields the greatest series of ancient shipwrecks ever discovered. This documentary captures a series of astonishing discoveries made a treasure trove of shipwrecks uniquely preserved that date back two and a half thousand years to the Greek and Roman empires, culminating in maritime archaeology's greatest ever wreck. A fully intact Roman wreck, perfectly preserved in the anoxic waters of the Black Sea.
In this episode, Craig and Sarah take a closer look at a case that took place in November 2018 off the west coast of Ireland in which pilots saw bizarre lights through their cockpit windows. This programme contains some flashing images.
A hidden ancient city is found in Micronesia. In New Guinea, an airplane wreck is investigated. A strange glowing forest is discovered in India. An immense tunnel system in the Brazilian jungle is explored.
In the Philippines, researchers find ancient Rhino bones. Near the Columbia-Panama border, an old car is discovered in the jungle. A Brazilian island is infested with thousands of deadly snakes. In Kenya, human remains are found deep in a cave.
Discover the forces living in the secret underworld of Death Valley National Park, where a series of deaths and disappearances have taken place.
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