What on Earth?
6.4Returning SeriesDocumentary

What on Earth?

Satellites orbit Earth at 17,000 miles an hour, capturing images of our world that are breathtaking, but some are bizarre. This unique perspective reveals objects that seem to make no sense & phenomena that defy explanation. Such images force the question, what on Earth is that?

Watch TrailerIMDb
OverviewProvidersCreditsSeasonsRecommendationsSimilarImagesVideos

6. Nazi Ice Fortress

Nazi Ice Fortress
6.0Mar 17, 2015 · 44 min

Images of earth from space reveal an intimate portrait of human activity. Cities glow bright while the wilderness remains dark. Why then is the Australian outback, lit up like a series of vast cities?