Ploutonion
Sanctuary specially dedicated to the ancient Greek god Plouton / From Wikipedia, the free encyclopedia
For the radioactive chemical element, see Plutonium.
A ploutonion[pronunciation?] (Ancient Greek: Πλουτώνιον, lit. "Place of Plouton") is a sanctuary specially dedicated to the ancient Greek god Plouton (i.e., Hades). Only a few such shrines are known from classical sources, usually at locations that produce poisonous emissions and were considered to represent an entrance to the underworld.[2]