6. Mud volcanoes of Gobustan, Azerbaijan

One of the few places you can bathe in a volcanic eruption.

 

 

Mud lovers trek to Gobustan's strangely Martian landscape, 65 kilometers south of Azerbaijan's capital Baku, where thick gray mud regularly spews from small volcanoes.

The mud is thought to have medicinal qualities, so don't be surprised if you see people stripping down and lathering themselves in the goo. Look out for the area's Roman inscriptions and the petroglyphic rock art.

About 70 kilometers west of Baku