Satellite images capture a giant symbol mysteriously carved into the expanse of Australia's Great Victoria Desert; an investigation reveals a secret nuclear weapons-testing cover-up by the British government with numerous aboriginal casualties.
Satellites capture bizarre circular structures in the forests of England.
Satellites capture mysterious stone objects across the Arizona mountains.
Satellites capture a castle-like structure hidden in Scottish woodlands.
Satellites capture rocks in the shape of a fingerprint on a Swedish island.
Satellites capture a bizarre pattern of circles in a remote English forest.
Aerial imaging captures a complex of ancient Roman buildings in Yorkshire.
Satellites capture a gigantic oval carved into the forests of New Jersey.
Satellites capture a mysterious collection of ghost towns in Belarus.
Satellites capture a cone-like structure in the mountains of Turkey.