The Goddess of the Underworld.

He is unknown to the underworld.

Lord of the underworld, ruler of all!

No one in the underworld recognized that mysterious face.

loses his beloved, charms his way into the underworld, only person to charm his way into the underworld, charms the gods of the underworld, they release his beauty on the condition he never look at her until they're out.

a Feng Shui master sent men down to the underworld on ghost horses.

Christopher Columbus once fought Cerberus, the three headed guardian of the underworld, with nothing but his hat.

And with the absence of photosynthesis you have no plant life, and as a result, you have very little animal life living in this underworld.

Hades, God of the Underworld, kidnaps Persephone, the Goddess of Spring, and negotiates a forced marriage contract, requiring her to return regularly, and lets her go.

In the underworld jargon of the late 1800s, it referred to a burgler's tool kit that can be locked, and by the early 20th century, it meant safe or strong box.

And so I resolved to travel around the world examining this global criminal underworld by talking to policemen, by talking to victims, by talking to consumers of illicit goods and services.

One of the things that's changed here, in the last 150 years since Jules Verne had great science fiction concepts of what the underworld was like, is that technology has enabled us to go to these places that were previously completely unknown and speculated about.