Desperate signs from lost veterans in Vietnam; a fleet of large ships stranded in the middle of a vast desert; strange walls stretching vast distances across Northern California.
Satellites find American stealth technology deep inside China; an unidentified cloud swamps America's skies; something very large is lurking beneath Loch Ness.
Satellites locates strange spiral markings in the remote African desert; a weird deadly black blob is threatening the Florida Keys; something large is found deep beneath the ice of Antarctica.
A satellite finds a set of large arrows in the badlands of the American west; a blood red waterfall stains Antarctica's snows; a plague of massive holes in the Siberian landscape.
The face of Christ is discovered 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.