New satellite discoveries tell the stories behind the world's most mysterious lost cities; strange rings might be evidence of a fabled Biblical city or the mythical city of Atlantis; bizarre patterns point to a Californian ghost town. This episode is a mashup of segments from S02E06, S01E06 and others.

Bizarre markings are observed from space in oceans and deserts across the planet; strange sightings point to conspiracies that could have global repercussions. This episode is a mashup of S02E05 and S03E05.