What on Earth?

Satellite images reveal an abandoned ghost town in a remote desert with a dark past. Plus, a strange facility spotted in Russia is suspected to be hiding evidence of alien life

The startling images captured by satellites of a structure in North Korea that may be sinister evidence of a looming nuclear threat

Investigating unusual patterns in an English field that could be an alien message, and a secret military facility in the Nevada desert

The images of a cave in Iceland that could hold alien secrets. Plus, military structures in the Utah desert and a bloody stain in the sands of Saudi Arabia

A trail of moving objects spotted in the ice of Antarctica. Plus, evidence of one of Joseph Stalin's most insane schemes and a strange code in the Sonoran Desert

How a strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything currently thought about Genghis Khan

A strange plane discovered near the sight of the Roswell UFO incident. Experts had to contemplate whether the aircraft had Nazi or extraterrestrial origins

How, at a mysterious site in the Gobi Desert, experts discovered a monster graveyard - a groundbreaking find containing treasures of alien beasts

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Satellite images reveal how El Chapo escaped from a high security prison in Mexico. Plus, a giant black stain appears in a war-torn area of Iraq

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Satellites orbiting the planet spotlight Earth's vast, unexplored areas of land and sea - revealing baffling new anomalies

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Satellites orbiting the planet more eyes on Earth's vast, unexplored areas of land and sea - revealing baffling new anomalies

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

Strange black holes appear near Egypt's pyramids, ruins in Peru suggest the Incas knew more than may be imagined, and a mysterious red swarm invades a beach in India

Mysterious satellite images reveal China's hidden terror camps and provide access to America's top secret apocalypse pyramid

Satellite images reveal an abandoned ghost town in a remote desert with a dark past. Plus, a strange facility spotted in Russia is suspected to be hiding evidence of alien life

The startling images captured by satellites of a structure in North Korea that may be sinister evidence of a looming nuclear threat

Investigating unusual patterns in an English field that could be an alien message, and a secret military facility in the Nevada desert

The startling images captured by satellites of a structure in North Korea that may be sinister evidence of a looming nuclear threat

A giant carving of a strange creature appears in the Australian Outback, and strange bright green lights illuminate the seas around Thailand

The images of a cave in Iceland that could hold alien secrets. Plus, military structures in the Utah desert and a bloody stain in the sands of Saudi Arabia

A trail of moving objects spotted in the ice of Antarctica. Plus, evidence of one of Joseph Stalin's most insane schemes and a strange code in the Sonoran Desert

How a strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything currently thought about Genghis Khan

A strange plane discovered near the sight of the Roswell UFO incident. Experts had to contemplate whether the aircraft had Nazi or extraterrestrial origins

How a strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything currently thought about Genghis Khan

A giant letter Z is carved into a Mexican hillside evoking the mark of a legendary outlaw. Plus, a strange sighting in Germany points to secrets from the Cold War

A giant letter Z is carved into a Mexican hillside evoking the mark of a legendary outlaw. Plus, a strange sighting in Germany points to secrets from the Cold War

An amateur archaeologist encounters strange symbols scratched into the Kazakhstan Desert. Plus, a lake in the Brazilian rain forest turns bright pink

An amateur archaeologist encounters strange symbols scratched into the Kazakhstan Desert. Plus, a lake in the Brazilian rain forest turns bright pink

A dagger sealed in King Tut's tomb for over 3,000 years is made of a possibly extra-terrestrial metal. Plus, a huge swastika found in the desert near Roswell

A dagger sealed in King Tut's tomb for over 3,000 years is made of a possibly extra-terrestrial metal. Plus, a huge swastika found in the desert near Roswell

A strange mass breaches the ocean surface near Antarctica - is it a sea monster? Ancient rock carvings in a remote mountain range depict unearthly beings

A strange mass breaches the ocean surface near Antarctica - is it a sea monster? Ancient rock carvings in a remote mountain range depict unearthly beings

A heavily armoured force invades one of Syria's most ancient archaeology sites, prompting fears its relics are being stolen

A heavily armoured force invades one of Syria's most ancient archaeology sites, prompting fears its relics are being stolen

A giant letter Z is carved into a Mexican hillside evoking the mark of a legendary outlaw. Plus, a strange sighting in Germany points to secrets from the Cold War

An amateur archaeologist encounters strange symbols scratched into the Kazakhstan Desert. Plus, a lake in the Brazilian rain forest turns bright pink

A structure near the city of Petra that points to a bloody past. Plus, how when terrorists kidnapped schoolgirls in Nigeria, rescuers used satellites to track them down

A structure near the city of Petra that points to a bloody past. Plus, how when terrorists kidnapped schoolgirls in Nigeria, rescuers used satellites to track them down

New evidence may lead to the discovery of an unknown ancient civilisation in the Amazon rainforest. Plus, a strange submarine seen in a North Korean shipyard

New evidence may lead to the discovery of an unknown ancient civilisation in the Amazon rainforest. Plus, a strange submarine seen in a North Korean shipyard

A huge chasm appears in a remote part of the Siberian forest - locals call it to a gate to the underworld

A huge chasm appears in a remote part of the Siberian forest - locals call it to a gate to the underworld

Images of the jungles of Colombia lead scientists on a search for El Dorado. Plus, a bright green swirling spiral appears in the seas of the Persian Gulf