Delphi
Δελφοί
The most authoritative oracle of the ancient Mediterranean.
Zeus released two eagles from the ends of the earth, and where they met was called the world's navel — the omphalos.
The priestess Pythia sat on a tripod and uttered her words, which priests rendered into verse. The answers could always be read two ways.
King Croesus read the oracle "a mighty empire will fall" as being in his favor — never guessing the empire was his own.