What on Earth?

2015•7 series

Available on

Science Channel's most watched series reveals Earth as it's never been seen before. Illuminating views captured by more than 4,000 orbiting satellites, `What on Earth?' investigates mysteries from strange geological occurrences to weird man-made structures. Every day, the eyes in the sky uncover new mysterious phenomena, and some defy easy explanation. To search for answers, the series combines modern imaging technology with analysis from military and intelligence professionals as well as leading scientists.

Episode 1What on Earth?

Discover a massive tsunami hundreds of feet high that never touches land and an image from space may have revealed the location of the Garden of Eden. (S1, ep 1)

Episode 2What on Earth?

Discover an island the size of Manhattan that vanishes without a trace and a lost city in the heart of the Amazonian jungle. (S1, ep 2)

Episode 3What on Earth?

First seen from space in 1965, the Eye of the Sahara is a beautiful 25-mile structure, but how it formed remains a mystery. (S1, ep 3)

Episode 4What on Earth?

NASA astronaut Mike Barratt describes photographing a strange ring in the ice on the world's oldest lake from the International Space Station. (S1, ep 4)