12 Seasons

What on Earth? Episodes

S12 E1

Bullseye in the Sky

Satellite capture a bizarre pattern obscuring an eastern Atlantic island.
S12 E2

Mystery of the Fallen Star

Satellites capture a star-shaped pattern carved beneath a Florida swamp.
S12 E3

Indiana's War Factory

Satellites capture a large compound of abandoned structures in Indiana.
S12 E4

Turkey's Lost Terror Dome

Drone imaging captures an ancient structure in the forests of Turkey.
S12 E5

Blood Feud of Gresham Castle

Satellites capture a fortification in the woodlands of Norfolk, England.
S12 E6

The Boneyard of Arizona

Satellites capture miles of aircraft neatly arranged in the Arizona desert.