Images of earth from space reveal an intimate portrait of human activity. Cities glow bright while the wilderness remains dark. Why then is the Australian outback, lit up like a series of vast cities?

Desperate signs from lost veterans in Vietnam captured by satellite. A fleet of massive ships stranded in the middle of a vast desert. Strange walls stretching vast distances across Northern California. Just what on earth are they?

Satellites discover American stealth technology deep inside China. An unidentified cloud swamps America’s skis. And something truly massive is lurking beneath Loch Ness. Just what on earth are they?

Satellites spot strange spiral markings in the remote African desert. A weird deadly black blob is threatening the Florida Keys. Something massive found deep beneath the ice of Antarctica. Just what on earth are they?

A satellite spots a set of huge arrows in the badlands of the American west. A blood red waterfall stains Antarctica’s snows. A plague of huge holes in the Siberian landscape. Just what on earth are they?

The face of Christ is found in a field in Hungary. A photo that claims to show who shot down a passenger jet in Ukraine. A sinister shape in the mountains of Afghanistan that leads investigators to a hidden genocide.

A strange structure is found in Mongolia. Is it the lost tomb of Genghis Khan? Bizarre rings in Spain could lead to the lost city of Atlantis. A huge island is on a collision course with New Zealand. What on earth are they?

Something strange in the Himalayas could be evidence of a top-secret CIA program to turn monks into killer agents, and cutting-edge science helps experts investigate the truth behind this mysterious anomaly.

Alien monoliths haunt the coast of England. An obliterated jungle points to an brutal narco gold rush. Evidence of a strange blood-red creature emerge from the deep. Cutting-edge technology helps experts answer these sinister mysteries from space.

A satanic symbol points to an army of the dead in Siberia. A massive stone giant in a remote desert. Evidence of a Russian doomsday device right on America's doorstep. Cutting-edge technology helps experts answer these sinister mysteries from space.

Zombie reindeer haunting the mountains of Norway. Strange circles in the sand by a secret US military base. A gigantic streak in the Arctic pointing towards alien life. Cutting-edge technology helps experts answer these sinister mysteries from space.

A fleet of sunken ships point to ghosts, cannibals, and bloodshed in early America. Strange Arctic holes that NASA can't explain. Near Area 51, mysterious alien structures straight out of Star Wars. Cutting-edge technology helps experts investigate.

New discoveries from space give experts new clues in the hunt for Jack the Ripper. When a strange object lands in Antarctica, experts speculate it could be an alien visitor. Cutting-edge tech helps experts answer these sinister mysteries from space.

Hundreds of shipwrecks in the middle of a desert in Africa. A ghost town where hundreds of its inhabitants have mysteriously died. Something strange in North Korea. Cutting-edge tech helps experts answer these sinister mysteries from space.

A site that could be the Garden of Eden hides a deadly secret. When a gateway to hell suddenly opens, experts investigate where it leads. A mysterious shipwreck could be an infamous Soviet KGB pirate ship.

Evidence of a mysterious 5,000-year-old structure suddenly appears in Ireland. A top-secret machine that can see back in time. A satanic pentagram in the snow that points to witchcraft in the New World.