Arctic Hunters of Norway

What on Earth?

Secrets of Biosphere 2

Ghost Ship of Ireland

Nevada's Mystery Marking

The Boneyard of Arizona

Blood Feud of Gresham Castle

Turkey's Lost Terror Dome

Indiana's War Factory

Mystery of the Fallen Star

Bullseye in the Sky

Ancient Rome's El Dorado

Holes of Dead Sea Destruction

Modern imaging technology and analysis from military and intelligence professionals, as well as leading scientists, investigate mysteries from strange geological occurrences to weird man-made structures as seen by more than 4,000 orbiting satellites.