Martin Rietze has traveled the world and captured some incredible images along the way. In this collection, you'll see a host of alien landscapes that are found right here on planet Earth. Click here for first picture in gallery. The picture above shows:
A cone overflow at night from Ol Doinyo Lengai volcano in Rift Valley, Tanzania. Lengai is the only active sodium carbonate volcano in the world. This lava is liquid like water.[via Telegraph]
