What on The Earth

When strange circles of reindeer appear in the remote tundra of Sweden, experts investigate if this mysterious event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.

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.

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

Satellite images of strange geological occurrences and man-made structures on Earth are examined. Each episode tells the story of three geological occurrences.

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.

An abandoned city in the African jungle might have a bloody past of malevolent spirits and cannibals. Mount Vesuvius shows signs that it's awakening, and the mafia could be to blame. Experts investigate Hitler's secret Nazi UFO program.

Watching us from space, satellites orbit the Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, and sometimes bizarre. This unique perspective reveals objects and phenomena that defy explanation - massive tsunamis that disappear without trace, a sinister blood-red lake in war-torn Baghdad and a whirlpool in the ocean the size of Connecticut.

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.

Strange satellite images taken above the Nile Valley could point investigators to long-lost relics buried in an unexplored city of the dead; what they find could reveal new secrets of Kush, a once-mighty kingdom of untold gold and treasure.